Like many other languages, English has wide variation in pronunciation, both historically and from dialect to dialect. In general, however, the regional dialects of English share a largely similar (but not identical) phonological system. Among other things, most dialects have vowel reduction in unstressed syllables and a complex set of phonological features that distinguish fortis and lenis consonants (stops, affricates, and fricatives).

This article describes the development of the phonology of English over time, starting from its roots in proto-Germanic to diverse changes in different dialects of modern English.

Abbreviations

In the following description, abbreviations are used as follows:

  • C = any consonant
  • V = any vowel
  • # = end of word
  • * = reconstructed
  • ** = non-existent
  • > = changes into
  • >! = changes into, unexpectedly
  • < = is derived from

Changes by time period from Late Proto-Germanic to Old English

This section summarizes the changes occurring within distinct time periods, covering the last 2,000 years or so. Within each subsection, changes are in approximate chronological order.

The time periods for some of the early stages are quite short due to the extensive population movements occurring during the Migration Period (early AD), which resulted in rapid dialect fragmentation.

Late Proto-Germanic period

This period includes changes in late Proto-Germanic, up to about the 1st century. Only a general overview of the more important changes is given here; for a full list, see the Proto-Germanic article.

  • Unstressed word-final /a/, /e/ and /o/ were lost. Early PGmc *barta > late PGmc *bart "you carried (sg)".
  • Word-final /m/ became /n/.
    • Word-final /n/ was then lost after unstressed syllables with nasalization of the preceding vowel. Hence Pre-PGmc *dʰogʰom > early PGmc *dagam > late PGmc *dagą > Old English dæġ "day (acc. sg.)". The nasalisation was retained at least into the earliest history of Old English.
  • Word-final /t/ was lost after an unstressed syllable. This followed the loss of word-final /n/, because it remained before /t/: PrePGmc *bʰr̥n̥t > early PGmc *burunt > late PGmc *burun "they carried".
  • /e/ was raised to /i/ in unstressed syllables.
    • The original vowel remained when followed by /r/, and was later lowered to /ɑ/.
  • Early i-mutation: /e/ was raised to /i/ when an /i/ or /j/ followed in the next syllable.
    • This occurred before deletion of word-final /i/; hence PIE *upéri > early PGmc *uberi > late PGmc *ubiri > German über "over". Compare PIE *upér > early PGmc *uber > late PGmc *ubar > German ober "over".
    • But it occurred after the raising of unstressed /e/ to /i/: PIE *bʰérete > PGmc *berid > *birid "you carry (pl)".
    • This also affected the diphthong /eu/, which became /iu/.
    • As a consequence of this change, /ei/ > /iː/. The Elder Futhark of the Proto-Norse language still contained different symbols for the two sounds.
  • z-umlaut: /e/ is raised to /i/ before /z/.
    • Early PGmc *mez "me, dative" > late PGmc *miz > Old High German mir, Old Saxon mi, Old Norse mér (with general lowering and lengthening of i before r).
    • This change was only sporadic at best because there were barely any words in which it could have occurred at all, since /e/ remained only in stressed syllables. The umlauting effect of /z/ remained, however, and in Old West Norse it was extended to other vowels as well. Hence OEN glaʀ, hrauʀ, OWN gler, hreyrr.
  • Pre-nasal raising: /e/ > /i/ before nasal + consonant. Pre-PGmc *bʰendʰonom > PGmc *bendaną > *bindaną > OE bindan > ModE bind (Latin of-fendō).
    • This was later extended in Pre-Old English times to vowels before all nasals; hence Old English niman "take" but Old High German neman.
  • Loss of /n/ before /x/, with nasalization and compensatory lengthening of the preceding vowel.
    • The nasalization was eventually lost, but remained through the Ingvaeonic period.
    • Hence Pre-PGmc *tongjonom > PGmc *þankijaną > OE þencan > ModE think, but PrePG *tonktos > PGmc *þanhtaz > *þą̄htaz > OE þōht > ModE thought.
    • This change followed the raising of /e/ before a nasal: PGmc *þenhaną > *þinhaną > *þį̄haną > Gothic þeihan.
  • Final-syllable short vowels were generally deleted in words of three syllables or more. PGmc *biridi > Goth baíriþ /beriθ/ "(he) carries" (see above), and also PGmc *-maz, *-miz > *-mz (dative and instrumental plural ending of nouns, 1st person plural ending of verbs, as on the Stentoften Runestone).

Northwest Germanic period

This was the period after the East Germanic languages had split off. Changes during this time were shared with the North Germanic dialects, i.e. Proto-Norse. Many of the changes that occurred were areal, and took time to propagate throughout a dialect continuum that was already diversifying. Thus, the ordering of the changes is sometimes ambiguous, and can differ between dialects.

  • Allophonic i-mutation/Germanic umlaut: Short back vowels were fronted when followed in the next syllable by /i/ or /j/, by i-mutation: /ɑ/ > [æ], /o/ > [ø], /u/ > [y]
    • In this initial stage, the mutated vowels were still allophonically conditioned, and were not yet distinct as phonemes. Only later, when the /i/ and /j/ were modified or lost, were the new sounds phonemicized.
    • i-mutation affected all the Germanic languages except for Gothic, although with a great deal of variation. It appears to have occurred earliest, and to be most pronounced, in the Schleswig-Holstein area (the home of the Anglo-Saxons), and from there to have spread north and south. However, it is possible that this change already occurred in Proto-Germanic proper, in which case the phenomenon would have remained merely allophonic for quite some time. If that is the case, that would be the stage reflected in Gothic, where there is no orthographic evidence of i-mutation at all.
    • Long vowels and diphthongs were affected only later, probably analogically, and not in all areas. Notably, they were not mutated in most (western) Dutch dialects, whereas short vowels were.
  • a-mutation: /u/ is lowered to /o/ when a non-high vowel follows in the next syllable.
    • This is blocked when followed by a nasal followed by a consonant, or by a cluster with /j/ in it. Hence PG *gulþą > OE/ModE gold, but PG *guldijaną > OE gyldan > ModE gild.
    • This produces a new phoneme /o/, due to inconsistent application and later loss of word-final vowels.
  • Final-syllable long vowels were shortened.
    • Final /ɔː/ becomes /o/, later raised to /u/. PG *sagō ("saw (tool)") > OE sagu, ON sǫg.
    • Final /ɛː/ becomes /e/ in ON (later raised to /i/), /ɑ/ in West Germanic. PG *hailidē ("he/she/it healed") > ON heilði, but OE hǣlde, OHG heilta.
    • The final long diphthong /ɔːi/ loses its final element and usually develops the same as /ɔː/ from that point on. PG *gebōi ("gift", dative singular) > NWG *gebō > ON gjǫf, OHG gebu, OE giefe (an apparent irregular development).
  • "Overlong" vowels were shortened to regular long vowels.
  • PG /ɛː/ (maybe already /æː/ by late PG) becomes /ɑː/. This preceded final shortening in West Germanic, but postdated it in North Germanic.
  • Unstressed diphthongs were monophthongized. /ɑi/ > /eː/, /ɑu/ > /oː/. The latter merged with ō from shortened overlong ô. PG *sunauz ("son", genitive singular) > NWG *sunōz > ON sonar, OE suna, OHG suno; PG *nemai ("he/she/it take", subjunctive) > NWG *nemē > ON nemi, OE nime, OHG neme; PG *stainai ("stone", dative singular) > NWG *stainē > ON steini, OE stāne, OHG steine.

West Germanic period

This period occurred around the 2nd to 4th centuries. It is unclear if there was ever a distinct "Proto-West Germanic", as most changes in this period were areal, and likely spread throughout a dialect continuum that was already diversifying further. Thus, this "period" may not have been a real timespan, but may simply cover certain areal changes that did not reach into North Germanic. This period ends with the further diversification of West Germanic into several groups before and during the Migration Period: Ingvaeonic, Istvaeonic (Old Frankish) and Irminonic (Upper German).

  • Loss of word-final /z/.
    • This change occurred before rhotacization, as original word-final /r/ was not lost.
    • But it must have occurred after the Northwest Germanic split, since word-final /z/ was not eliminated in Old Norse, instead merging with /r/.
    • /z/ was not lost in single-syllable words in southern and central German. Compare PG *miz > OS mi, OE me vs. OHG mir.
    • The OE nominative plural -as (ME -s), OS nominative plural -ōs may be from original accusative plural *-ans, due to the Ingvaeonic Nasal-Spirant law, rather than original nominative plural *-ōz, which would be expected to become *-a (OHG -a, compare ON -ar).
  • Rhotacization: /z/ > /r/.
    • This change also affected Proto-Norse, but only much later. /z/ and /r/ were still distinct in the Danish and Swedish dialect of Old Norse, as is testified by distinct runes. (/z/ is normally assumed to be a rhotic fricative in this language, but there is no actual evidence of this.)
    • PG *deuzą > Goth dius; OE dēor > ModE deer
  • Intervocalic ðw > ww.
  • Hardening: ð > d, β > v, and ɸ > f.
  • West Germanic gemination: single consonants followed by /j/ except /r/ became double (geminate). This only affected consonants preceded by a short vowel, because those preceded by a long vowel or by another consonant were never followed by /j/ due to Sievers' law.
    • PG *bidjaną, *habjaną > OE biddan, habban > ModE bid, have

Ingvaeonic and Anglo-Frisian period

This period is estimated to have lasted only a century or so, the 4th to 5th; the time during which the Franks started to spread south into Gaul (France) and the various coastal people began colonising Britain. Changes in this period affected the Ingvaeonic languages, but not the more southerly Central and Upper German languages. The Ingvaeonic group was probably never homogeneous, but was divided further into Old Saxon and Anglo-Frisian. Old Frankish (and later Old Dutch) was not in the core group, but was affected by the spread of several areal changes from the Ingvaeonic area.

The Anglo-Frisian languages shared several unique changes that were not found in the other West Germanic languages. The migration to Britain caused a further split into early Old English and early Old Frisian.

  • Ingvaeonic nasal spirant law: Loss of nasals before fricatives, with nasalization and compensatory lengthening of the preceding vowel. Hence PG *munþaz became ModG Mund but in Ingvaeonic dialects first became *mų̄þa. Old English then denasalised the vowels, giving OE mūþ > ModE "mouth".
    • Following this /ɑ̃ː/ > /õː/. PrePG *donts > PG *tanþs > *tą̄þ > *tǭþ > OE tōþ > ModE "tooth". (ModG Zahn < OHG zant.) This also applied to /ɑ̃ː/ arising earlier in Proto-Germanic: PG *þanhtǭ > Late PG *þą̄htǭ > OE þōhte > ModE "(I) thought".
  • Anglo-Frisian brightening:
    • Fronting of /ɑ/ to /æ/[1] (unless followed by a geminate, by a back vowel in the next syllable,[2] and in certain other cases). Hence OE dæġ /dæj/ "day", plural dagas /dɑɣɑs/ "days" (dialectal ModE "dawes"; compare ModE "dawn" < OE dagung /dɑɣuŋɡ/).
    • This does not affect nasal /ɑ̃/. And since this is a back vowel, /ɑ/ in a preceding syllable was prevented from being fronted as well. This created an alternation between the infinitive in *-aną and strong past participle in *-ana (< PG *anaz), where the former became -an in OE but the latter became *-ænæ > -en.
    • Fronting of /ɑː/ to /æː/ (generally, unless /w/ followed).[3]
  • Final-syllable /æ/, /ɑ/ and /ɑ̃/ are lost.
    • No attested West Germanic languages show any reflexes of these vowels. However, the way it affected the fronting of /ɑ/ as described above shows that at least /ɑ̃/ was retained into the separate history of Anglo-Frisian.

Old English period

This period is estimated to be c. AD 475–900. This includes changes from the split between Old English and Old Frisian (c. AD 475) up through historic early West Saxon of AD 900:

  • Breaking of front vowels.[4]
    • Most generally, before /x, w/, and /r, l/ + consonant (assumed to be velarized [rˠ, lˠ] in these circumstances), but exact conditioning factors vary from vowel to vowel.
    • Initial result was a falling diphthong ending in /u/, but this was followed by diphthong height harmonization, producing short /æ̆ɑ̆/, /ĕŏ/, and /ĭŭ/ from short /æ/, /e/, and /i/. Long /æɑ/, /eo/, and /iu/ came from long /æː/, /eː/, and /iː/.
      • Written ea, eo, io, where length is not distinguished graphically.
    • Result in some dialects, for example Anglian, was back vowels rather than diphthongs. West Saxon ceald; but Anglian cald > ModE cold.
  • Diphthong height harmonization: The height of one element of each diphthong is adjusted to match that of the other.
    • /ɑi/ > /ɑː/ through this change,[5] possibly through an intermediate stage /ɑæ/. PG *stainaz > OE stān > ModE stone.
    • /ɑu/ was first fronted to /æu/ and then harmonized to /æɑ/. PG *draumaz > OE drēam "joy" (cf. ModE dream, ModG Traum). PG *dauþuz > OE dēaþ > ModE death (Goth dáuþus, ModG Tod). PG *augō > OE ēage > ModE eye (Goth áugo, ModG Auge).
    • /eu/ is harmonized to /eo/.
  • A-restoration: Short /æ/ is backed to /ɑ/ when a back vowel follows in the next syllable.[1]
    • This produces alternations such as OE dæġ "day", pl. dagas (cf. dialectal dawes "days").
  • Palatalization of velar consonants: /k, ɡ, ɣ, sk/ were palatalized to /tʃ, dʒ, ʝ, ʃ/ in certain complex circumstances. A similar palatalization happened in Frisian, but by this point the languages had split up; the Old English palatalization must be ordered after Old-English-specific changes such as a-restoration.
    • Generally, the velar stops /k, ɡ/ were palatalized before /i(ː)/ or /j/; after /i(ː)/ when not before a vowel; and /k/ was palatalized at the beginning of a word before front vowels. (At this point, there was no word-initial /ɡ/.)
    • /ɣ/ was palatalized in somewhat broader circumstances: By any following front vowel, as well as by a preceding front vowel when a vowel did not immediately follow the /ɣ/.
    • /ʝ/ later becomes /j/, but not before the loss of older /j/ below.
    • /sk/ is palatalized in almost all circumstances. PG *skipaz > ModE ship (cf. skipper < Dutch schipper, where no such change happened), but West Frisian skip. PG *skurtijaz > OE scyrte > ModE shirt, but > ON skyrt > ModE skirt.[6] An example of retained /sk/ is PG *aiskōną > OE ascian > ModE ask; there is evidence that OE ascian was sometimes rendered metathetized to acsian, which is the presumed origin of ModE ask.
  • Palatal diphthongization: Initial palatal /j/, /tʃ/, /ʃ/ trigger spelling changes of a > ea, e > ie.[7] It is disputed whether this represents an actual sound change[8][9] or merely a spelling convention[10] indicating the palatal nature of the preceding consonant (written g, c, sc were ambiguous in OE as to palatal /j/, /tʃ/, /ʃ/ and velar /ɡ/ or /ɣ/, /k/, /sk/, respectively).
    • Similar changes of o > eo, u > eo are generally recognized to be merely a spelling convention. Hence WG /juŋɡ/ > OE geong /juŋɡ/ > ModE "young"; if geong literally indicated an /ɛ̆ɔ̆/ diphthong, the modern result would be *yeng.
    • It is disputed whether there is Middle English evidence of the reality of this change in Old English.
  • i-mutation: The most important change in the Old English period. All back vowels were fronted before a /i, j/ in the next syllable, and front vowels were raised.
    • /ɑ(ː)/ > /æ(ː)/ (but /ɑ/ > /e/ before /m/ or /n/);
    • /o(ː)/ > /ø(ː)/ > /e(ː)/;
    • /u(ː)/ > /y(ː)/;
    • /æa/, /eo/ > /iy/ > /yː/; this also applied to the equivalent short diphthongs.
    • Short /e/ > /i/ by an earlier pan-Germanic change under the same circumstances; often conflated with this change.
    • This had dramatic effects in inflectional and derivational morphology, e.g. in noun paradigms (fōt "foot", pl. fēt "feet"); verb paradigms (bacan "to bake", bæcþ "he bakes"); nominal derivatives from adjectives (strang "strong", strengþ(u) "strength"), from verbs (cuman "to come", cyme "coming"), and from other nouns (fox "fox", fyxenn "vixen"); verbal derivatives (fōda "food", fēdan "to feed"); comparative adjectives (eald "old", ieldra "older, elder"). Many echoes of i-mutation are still present in the modern language.
  • Close-vowel loss: Loss of word-final /i/ and /u/ (also from earlier /oː/) except when following a short syllable (i.e. one with a short vowel followed by a single consonant.) For example, PIE *sunus > PG *sunuz > OE sunu "son (nom. sing.)", PIE *peḱu > PG *fehu > OE feohu "cattle (nom. sing.)", PIE *wenis > PG *winiz > OE ƿine "friend (nom. sing.)", but PrePG *pōdes > PG *fōtiz > WG *fø̄ti > OE fēt "foot (nom. pl.)".
  • Loss of /j/ and /ij/ following a long syllable.
    • A similar change happened in the other West Germanic languages, although after the earliest records of those languages.
    • This did not affect the new /j/ (< /ʝ/) formed from palatalisation of PG */ɣ/, suggesting that it was still a palatal fricative at the time of the change. For example, PG *wrōgijanan > early OE *wrøːʝijan > OE ƿrēġan (/wreːjan/).
    • Following this, PG */j/ occurred only word-initially and after /r/ (which was the only consonant that was not geminated by /j/ and hence retained a short syllable).
  • H-loss: Proto-Germanic /x/ is lost between vowels, and between /l, r/ and a vowel.[11] The preceding vowel is lengthened.[12]
    • This leads to alternations such as eoh "horse", pl. ēos, and ƿealh "foreigner", pl. ƿēalas.
  • Vowel assimilation: Two vowels in hiatus merge into a long vowel.[13]
    • Some examples come from h-loss. Others come from loss of /j/ or /w/ between vowels, e.g. PG frijōndz > OE frīond > frēond "friend"; PG saiwimiz "sea (dat. pl.)" > *sǣƿum > OE sǣm.
  • Back mutation: Short e, i and (in Mercian only) a are sometimes broken to short eo, io, and ea when a back vowel follows in the next syllable.[14]
    • Hence seofon "seven" < PG *sebun, mioluc, meoluc "milk" < PG *meluks.
  • Palatal umlaut: Short e, eo, io become i (occasionally ie) before hs, ht.
    • Hence riht "right" (cf. German recht), siex "six" (cf. German sechs).
  • Vowel reductions in unstressed syllables:
    • /oː/ became /ɑ/ in final syllables, but usually appears as o in medial syllables (although a and u both appear).
    • /æ/ and /i/ (if not deleted by high-vowel loss) became /e/ in final syllables.
    • /u/ normally became /o/ in a final syllable except when absolutely word-final.[15]
    • In medial syllables, short /æ, a, e/ are deleted;[16] short /i, u/ are deleted following a long syllable but usually remain following a short syllable (except in some present-tense verb forms), merging to /e/ in the process; and long vowels are shortened.
  • /ø, øː/ are unrounded to /e, eː/, respectively. This occurred within the literary period.
    • Some Old English dialects retained the rounded vowels, however.
  • Early pre-cluster shortening: Vowels were shortened when falling immediately before either three consonances or the combination of two consonants and two additional syllables in the word.
    • Thus, OE gāst > ModE ghost, but OE găstliċ > ModE ghastly (ā > ă) and OE crīst > ModE Christ, but OE crĭstesmæsse > ModE Christmas (ī > ĭ).
    • Probably occurred in the seventh century as evidenced by eighth century Anglo-Saxon missionaries' translation into Old Low German, "Gospel" as Gotspel, lit. "God news" not expected *Guotspel, "Good news" due to gōdspell > gŏdspell.
  • /ĭŭ/ and /iu/ were lowered to /ĕŏ/ and /eo/ between 800 and 900 AD.
  • Initial /ɣ/ became /ɡ/ in late Old English. This occurred within the literary period, as evidenced by shifting patterns in alliterative verse.

Changes by time period from Middle English to American-British split

The Middle English Period

This period is estimated to be c. 900–1400.

  • Homorganic lengthening: Vowels were lengthened before /ld/, /mb/, /nd/, /rd/, probably also /ŋɡ/, /rl/, /rn/, when not followed by a third consonant or two consonants and two syllables.
    • This probably occurred around AD 1000.
    • Later on, many of these vowels were shortened again; but evidence from the Ormulum shows that this lengthening was once quite general.
    • Remnants persist in the Modern English pronunciations of words such as child (but not children, since a third consonant follows), field (plus yield, wield, shield), old (but not alderman as it is followed by at least two syllables), climb, find (plus mind, kind, bind, etc.), long and strong (but not length and strength), fiend, found (plus hound, bound, etc.).
  • Pre-cluster shortening: Vowels were shortened when followed by two or more consonants, except when lengthened as above.
    • This occurred in two stages, the first stage occurring already in late Old English and affecting only vowels followed by three or more consonants, or two or more consonants when two syllables followed (an early form of trisyllabic laxing).
  • Diphthong smoothing: Inherited height-harmonic diphthongs were monophthongized by the loss of the second component, with the length remaining the same.
    • /æ̆ɑ̆/ and /æɑ/ initially became /æ/ and /æː/.
    • /ĕŏ/ and /eo/ initially became /ø/ and /øː/.
  • Middle English stressed vowel changes:
    • /æː/ (from Old English /æː, æɑ/) and /ɑː/ became /ɛː/ and /ɔː/, respectively.
    • /æ/ (from Old English /æ, æ̆ɑ̆/) and /ɑ/ merged into /a/.
    • New front-rounded /ø/ and /øː/ (from Old English /ĕŏ, eo/) were unrounded to /e/ and /eː/.
    • /y/ and /yː/ were unrounded to /i/ and /iː/.
  • -dər > -ðər. This also occurred after the final reduction.
  • /ɣ/ became /w/ or /j/, depending on surrounding vowels.
  • New diphthongs formed from vowels followed by /w/ or /j/ (including from former /ɣ/).
    • Length distinctions were eliminated in these diphthongs, yielding diphthongs /ai, ɛi, ei, au, ɛu, eu, iu, ɔu, ou/ plus /ɔi, ui/ borrowed from French.
    • Middle English breaking: Diphthongs also formed by the insertion of a glide /w/ or /j/ (after back and front vowels, respectively) preceding /x/.
  • Mergers of new diphthongs:
    • Early on, high-mid diphthongs were raised: /ei/ merged with /iː/ (hence eye < OE ēġe rhymes with rye < *riġe < OE ryġe), /ou/ merged with /uː/ and /eu/ merged with /iu/ (hence rue < OE hrēoƿan rhymes with hue < OE hīƿ and new < OE nīƿe).
    • In Late Middle English, /ai/ and /ɛi/ merge as /ɛi/, so that vain and vein are homophones (the vein–vain merger).
  • Trisyllabic laxing: Shortening of stressed vowels when two syllables followed.
    • This results in pronunciation variants in Modern English such as divine vs divinity and south vs. southern (OE sūðerne).
  • Middle English open syllable lengthening: Vowels were usually lengthened in open syllables (13th century), except when trisyllabic laxing would apply.
  • Reduction and loss of unstressed vowels: Remaining unstressed vowels merged into /ə/.
    • Starting around 1400 AD, /ə/ is lost in final syllables.
  • Initial clusters /hɾ/, /hl/, /hn/ were reduced by loss of /h/.
  • Voiced fricatives became independent phonemes through borrowing and other sound changes.
  • /sw/ before back vowel becomes /s/; /mb/ becomes /m/.
    • Modern English sword, answer, lamb.
    • /w/ in swore is due to analogy with swear.
  • The /t͡s/ cluster, present in words imported from Norman, is deaffricated, and merges with /s/ (which had perhaps been apical in medieval times, as in closely related Dutch and Low German), thus merging sell and cell.
    • But unlike French, /t͡ʃ/ and /d͡ʒ/ are fully preserved.
  • In late Middle English, the extremely rare word-initial cluster fn- became sn- (EME fnesen > LME snezen > ModE sneeze).
    • It has been suggested that the change could be due to a misinterpretation of the uncommon initial sequence fn- as ſn- (sn- written with a long s).[17]

Up to Shakespeare's English

This period is estimated to be c. AD 1400–1600.

  • H-loss completed: /x/ (written gh) lost in most dialects, so that e.g. taught and taut become homophones, likewise bow (meaning "bend") and bough. However, when preceded by /u/) (including in diphthongs), it sometimes got labialized to /f/, as in enough.
  • /al/ and /ɔl/ when not followed by a vowel undergo mutations:
    • Before /k/, a coronal consonant or word-finally, they are diphthongized to /aul/ and /ɔul/. (By later changes, they become /ɔːl/ and /oul/, as in modern salt, tall, bolt, roll.) After this, the combinations /aulk/ and /ɔulk/ lose their /l/ in most accents, affecting words like talk, caulk, and folk. Words acquired after this change (such as talc) were not affected.
    • Before /f, v/, the /l/ becomes silent, so that half and calf are pronounced with /af/, and salve and halve are pronounced with /av/. /ɔlv/ is exempt, so that solve keeps its /l/. /ɔlf/ is not wholly exempt, as the traditional pronunciation of golf was [ɡɔf].
    • Before /m/, /al, ɔl/ become /ɑː, oː/, as in alms, balm, calm, palm; Holmes.
    • Some words have irregular pronunciations, e.g. from non-standard dialects (salmon) or spelling pronunciations (falcon in American English).
  • Short /i, u/ develop into lax /ɪ, ʊ/
  • Great Vowel Shift; all long vowels raised or diphthongized.
    • /aː, ɛː, eː/ become /ɛː, eː, iː/, respectively.
    • /ɔː, oː/ become /oː, uː/, respectively.
    • /iː, uː/ become /əi, əu/ or /ei, ou/, later /ai/ and /au/.
    • New /ɔː/ developed from old /au/ (see below).
      • Thus, /ɔː, oː, uː, au/ effectively rotated in-place.
    • Later, the new /ɛː, eː/ are shifted again to /eː, iː/ in Early Modern English, causing merger of former /eː/ with /iː/; but the two are still distinguished in spelling as ea, ee.[18] the meet-meat merger (see below)
  • Initial cluster reductions:
    • /wr/ merges into /r/; hence rap and wrap become homophones.
  • Doubled consonants reduced to single consonants.
  • Loss of most remaining diphthongs.
    • /au/ became /ɔː/, merging with the vowel in broad and the /ɔː/ of the lot–cloth split below.
    • The long mid mergers: /ɛi, ɔu/ are raised to /ei, ou/, eventually merging with /eː, oː/, so that pane and pain, and toe and tow, become homophones in most accents.
    • The above two mergers did not occur in many regional dialects as late as the 20th century (e.g. Northern England, East Anglia, South Wales, and even Newfoundland).[19]
    • /y, ɛu, iu/ merge to [ɪʊ̯],[20] so that dew (EME /dɛu/ < OE dēaƿ), duke (EME /dyk/ < Old French duc /dyk/) and new (EME /niu/ < OE nīƿe) now have the same vowel.
      • This /ɪu/ would become /juː/ in standard varieties of English, and later still /uː/ in some cases through "Yod-dropping".
      • /iu/ remains in Welsh English and some other non-standard varieties.
    • /ɔi/ and /ui/ merge to /oi̯/ (today /ɔɪ/), the only Middle English diphthong that remains in the modern standard English varieties.

Up to the American–British split

This period is estimated to be c. AD 1600–1725.

  • At some preceding time after Old English, all [r] become [ɹ].
    • Evidence from Old English shows that, at that point, the pronunciation [ɹ] occurred only before a consonant.
    • Scottish English has [r] consistently.
  • /p t k/ develop aspirated allophones /pʰ tʰ kʰ/ when they occur alone at the beginning of stressed syllables.
  • Initial cluster reductions:
    • /ɡn, kn/ both merge into /n/; hence gnat and Nat become homophones; likewise not and knot.
  • The foot–strut split: In southern England, /ʊ/ becomes unrounded and eventually lowered unless preceded by a labial and followed by a non-velar.[21] This gives put [pʊt] but cut [kʌt] and buck [bʌk]. This distinction later become phonemicized by an influx of words shortened from /uː/ to /ʊ/ both before (flood, blood, glove) and after (good, hood, book, soot, took) this split.
  • Ng-coalescence: Reduction of /ŋɡ/ in most areas produces new phoneme /ŋ/.
  • In some words, /tj, sj, dj, zj/ coalesce to produce /tʃ, ʃ, dʒ, ʒ/ with /ʒ/ being a new phoneme, a sound change known as yod-coalescence, a type of palatalization: nature, mission, procedure, vision.
    • These combinations mostly occurred in borrowings from French and Latin.
    • Pronunciation of -tion was /sjən/ from Old French /sjon/, thus becoming /ʃən/.
    • This sound mutation still occurs allophonically in Modern English: did you /ˈdɪdjuː/ → [ˈdɪdʒuː] didjou.
  • /ɔ/ as in lot, top, and fox, is lowered towards /ɒ/.
  • Long vowels /eː, uː/, from ME /ɛː, oː/, inconsistently shortened, especially before /t, d, θ, ð/: sweat, head, bread, breath, death, leather, weather
    • Shortening of /uː/ occurred at differing time periods, both before and after the centralizing of /ʊ/ to /ʌ/; hence blood /blʌd/ versus good /ɡʊd/: also foot, soot.
  • The Meet–meat merger /eː/ (ea) raises to /iː/ (ee) Thus Meet and meat become homophones in most accents. Words with (ea) that were shortened (see above) avoided the merger, also some words like steak and great simply remained with an /eː/ (which later becomes /eɪ/ in most varieties) merging with words like name, so now death, great, and meat have three different vowels.
  • Changes affect short vowels in many varieties before an /r/ at the end of a word or before a consonant
    • /a/ as in start and /ɔ/ as in north are lengthened.
    • /ɛ, ɪ, ʌ, ʊ/ (the last of these often deriving from earlier /oːr/ after w, as in worm and word) merge before /r/, so all varieties of ModE except for some Scottish English and some Irish English have the same vowel in fern, fir and fur.
    • Also affects vowels in derived forms, so that starry no longer rhymes with marry.
  • /a/, as in cat and trap, fronted to [æ] in many areas. In certain other words it becomes /ɑː/, for example father /ˈfɑːðər/. /ɑː/ is actually a new phoneme deriving from this and words like calm (see above).
  • The lot–cloth split: in some varieties, lengthening of /ɔ/ before voiced velars (/ŋ/, /ɡ/) (American English only) and voiceless fricatives (/s/, /f/, /θ/). Hence American English long, dog, loss, cloth, off with /ɔː/ (except in dialects with the cot–caught merger where the split is made completely mute).
  • /uː/ becomes /ʊ/ in many words spelt oo: for example, book, wool, good, foot. This is partially resisted in the northern and western variants of English English, where words ending in -ook might still use /uː/.[22]

Changes by time period from after American-British split to after World War II

After American–British split, up to World War II

This period is estimated to be c. AD 1725–1945.

After World War II

Some of these changes are in progress.

Examples of sound changes

The following table shows a possible sequence of changes for some basic vocabulary items, leading from Proto-Indo-European (PIE) to Modern English. The notation ">!" indicates an unexpected change, whereas the simple notation ">" indicates an expected change. An empty cell means no change at the given stage for the given item. Only sound changes that had an effect on one or more of the vocabulary items are shown.

onetwothreefourfivesixsevenmotherhearthearfootfeet
Proto-Indo-European*óynos*dwóh₁*tríh₂ (fem.)*kʷetwṓr*pénkʷe*séḱs*septḿ̥*méh₂tēr*ḱḗr*h₂ḱowsyónom*pṓds*pódes
Centumization*séks*kḗr*h₂kowsyónom
Pre-Germanic unexpected changes (perhaps P-Celtic or P-Italic influences)>! dwóy>! tríh₂s>! petwṓr>! pémpe>! sepḿ̥d>! meh₂tḗr>! kérdō*pṓdes
Sonorant epenthesissepúmd
Final overlong vowelskérdô
Laryngeal losstrī́smātḗrkowsyónom
Loss of final nonhigh vowelspemp
Grimm's Lawtwoiþrī́sfeþwṓrfémfsehssefúmtmāþḗrhértôhousjónomfṓtsfṓtes
Verner's Lawoinozþrīzfeðwōrseβumtmāðērhouzjonomfōtez
Unstressed syllables: owo > ō, ew > ow, e > i, ji > ifōtiz
o > a, ō > ā, ô > âainaztwaifeðwārhertâhauzjanamfātsfātiz
Final -m > -nhauzjanan
m > n before dentalseβunt
Final -n > nasalizationhauzjaną
Loss of final -tseβun
Sievers' Lawhauzijaną
Nasal raisingfimf
ā > ō, â > ôfeðwōrmōðērhertôfōtsfōtiz
Proto-Germanic formainaztwaiþrīzfeðwōrfimfsehsseβunmōðērhertôhauzijanąfōtsfōtiz
Final vowel shortening/lossainz?þrīzfeðwurmōðarhertōhauzijan
Final -z lossainþrīfōti
Rhotacism: z > rhaurijan
Intervocalic ðw > wwfewwur
Hardening: ð > d, β > v, f [ɸ] > [f]finfsevunmōdar
Morphological changes>! þriju>! herta> fōt
West Germanic pre-formaintwaiþrijufewwurfinfsehssevunmōdarhertahaurijanfōtfōti
Ingvaeonic (prespirant) nasal lossfīf
ai > āāntwā
Anglo-Frisian brighteninghertæhæurijan
I-mutationheyrijanfēti
Loss of medial -ij-heyran
Breakinghĕŭrtæ
Diphthong height harmonyfeowurhĕŏrtæhēran, hiyran
Back mutationsĕŏvun
Final reductionfeoworsĕŏvon>! mōdorhĕŏrtefēt
Raising: ehs eht > ihs ihtsihs
hs > kssiks
Late OE lowering: iu > eoþreo
iy > ȳhȳran
Late Old English spellingāntwāþrēofēoworfīfsixseofonmōdorheortehēran, hȳranfōtfēt
Middle English (ME) smoothingθrøːføːworsøvonhørte
ME final reductionføːwərsøvənmoːdərhørtəheːrən
ME a: æ: > ɔ: ɛ:ɔːntwɔː
-dər > -ðərmoːðər
ME unexpected (?) vowel changes>! fiːv-ə>! hɛːrən
ME diphthong changes>! fowər
Late ME unroundingθreːsevənhertə
Late Middle English spelling (c. 1350)oontwothreefowerfivesixsevenmotherherteheere(n)footfeet
Late ME final reduction (late 1300s)>! fowrfiːvherthɛːr
Late ME /er/ > /ar/ (1400s)[35]hart
Late ME Great Vowel Shift (c. 1400-1550)oːn >! wʊntwoːθriːfəivmuːðərheːrfuːtfiːt
Early Modern English (EModE) smoothingfoːr
EModE raising /woː/ > /wuː/ > /uː/[36]tuː
EModE shorteningmʊðər
EModE /ʊ/ > /ɤ/ > /ʌ/wʌnmʌðər
EModE shorteningfʊt
Later vowel shiftsfɔːrfaivsɪkshɑrthiːr
Loss of -r (regional)fɔːmʌðəhɑːthiə
Modern pronunciationwʌntuːθriːfɔː(r)faivsɪkssevənmʌðə(r)hɑrt/hɑːthiːr/hiəfʊtfiːt
onetwothreefourfivesixsevenmotherhearthearfootfeet

NOTE: Some of the changes listed above as "unexpected" are more predictable than others. For example:

  • Some changes are morphological ones that move a word from a rare declension to a more common one, and hence are not so surprising: e.g. *þrī "three" >! *þriu (adding the common West Germanic feminine ending -u) and *keːr "heart" (stem *kerd-) >! *kérd-oː (change from consonant stem to n-stem).
  • Some changes are assimilations that are unexpected but of a cross-linguistically common type, e.g. føːwər "four" >! fowər where **fewər would be expected by normal sound change. Assimilations involving adjacent numbers are especially common, e.g. *kʷetwṓr "four" >! *petwṓr by assimilation to *pénkʷe "five" (in addition, /kʷ/ > /p/ is a cross-linguistically common sound change in general).
  • On the other extreme, the Early Modern English change of oːn "one" >! wʊn is almost completely mysterious. Note that the related words alone ( < all + one) and only ( < one + -ly) did not change.

Summary of vowel developments

Development of Middle English vowels

Monophthongs

This table describes the main historical developments of English vowels in the last 1000 years, beginning with late Old English and focusing on the Middle English and Modern English changes leading to the current forms. It provides a lot of detail about the changes taking place in the last 600 years (since Middle English), while omitting any detail in the Old English and earlier periods. For more detail about the changes in the first millennium AD, see the section on the development of Old English vowels.

This table omits the history of Middle English diphthongs; see that link for a table summarizing the developments.

The table is organized around the pronunciation of Late Middle English c. 1400 AD (the time of Chaucer) and the modern spelling system, which dates from the same time and closely approximates the pronunciation of the time. Modern English spelling originates in the spelling conventions of Middle English scribes and its modern form was largely determined by William Caxton, the first English printer (beginning in 1476).

As an example, the vowel spelled ⟨a⟩ corresponds to two Middle English pronunciations: /a/ in most circumstances, but long /aː/ in an open syllable, i.e. followed by a single consonant and then a vowel, notated aCV in the spelling column. (This discussion ignores the effect of trisyllabic laxing.) The lengthened variant is due to the Early Middle English process of open-syllable lengthening; this is indicated by (leng.). Prior to that time, both vowels were pronounced the same, as a short vowel /a/; this is reflected by the fact that there is a single merged field corresponding to both Middle English sounds in the Late Old English column (the first column). However, this earlier Middle English vowel /a/ is itself the merger of a number of different Anglian Old English sounds:

  1. the short vowels indicated in Old English spelling as ⟨a⟩, ⟨æ⟩ and ⟨ea⟩;
  2. the long equivalents ⟨ā⟩, ⟨ēa⟩, and often ⟨ǣ⟩ when directly followed by two or more consonants (indicated by ā+CC, ǣ+CC, etc.);
  3. occasionally, the long vowel ⟨ē⟩ when directly followed by two consonants, particularly when this vowel corresponded to West Saxon Old English ⟨ǣ⟩. (Middle English, and hence Modern English, largely derives from the Anglian dialect of Old English, but some words are derived from the West Saxon dialect of Old English, because the border between the two dialects ran through the London area. The West Saxon dialect, not the Anglian dialect, is the "standard" dialect described in typical reference works on Old English.)

Moving forward in time, the two Middle English vowels /a/ and /aː/ correspond directly to the two vowels /a/ and /ɛː/, respectively, in the Early Modern English of c. 1600 AD (the time of Shakespeare). However, each vowel has split into a number of different pronunciations in Modern English, depending on the phonological context. The short /a/, for example, has split into seven different vowels, all still spelled ⟨a⟩ but pronounced differently:

  1. /æ/ when not in any of the contexts indicated below, as in man, sack, wax, etc.
  2. A vowel pronounced /ɑː/ in General American (GA) and /ɒ/ in Received Pronunciation (RP) when preceded by /w/ and not followed by the velar consonants /k/, /ɡ/ or /ŋ/, as in swan, wash, wallow, etc. (General American is the standard pronunciation in the U.S. and Received Pronunciation is the most prestigious pronunciation in Britain. In both cases, these are the pronunciations typically found in news broadcasts and among the middle and upper classes.)
  3. /ɑːr/ (GA) or /ɑː/ (RP) when followed by a written ⟨r⟩, as in hard, car, etc. (This does not include words like care, where the ⟨a⟩ was pronounced as long /aː/ in Middle English.)
  4. But /ɔːr/ (GA) or /ɔː/ (RP) when both preceded by /w/ and followed by written ⟨r⟩, as in war, swarm, etc.
  5. /ɔː/ when followed by an /l/ plus either a consonant or the end of a word, as in small, walk, etc. (In the case of walk, talk, chalk, etc. the /l/ has dropped out, but this is not indicated here. Words like rally, shallow and swallow are not covered here because the /l/ is followed by a vowel; instead, earlier rules apply. Nor are words like male covered, which had long /aː/ in Middle English.)
  6. /ɑː/ when followed by /lm/, as in palm, calm, etc. (The /l/ has dropped out in pronunciation.)
  7. In RP only, the pronunciation /ɑː/ is often found when followed by an unvoiced fricative, i.e. /f/, /s/ or /θ/ (but not /ʃ/), as in glass, after, path, etc. This does not apply to GA and also unpredictably does not affect a number of words of the same form, e.g. crass, math, etc.

NOTE: In this table, abbreviations are used as follows:

Late Old English (Anglian), c. 1000 Middle English pronunciation, c. 1400 Modern English spelling, c. 1500 Early Modern English pronunciation, c. 1600 Modern English pronunciation, c. 2000 Source Example Written as
a; æ; ea; ā+CC; often ǣ+CC,ēa+CC; occ. ē+CC (WS ǣ+CC)/a/a/a//æ/OE aOE mann > man; OE lamb > lamb; OE sang > sang; OE sacc > sack; OE assa > ass (donkey) a
OE æOE fæþm embrace > fathom; OE sæt > sat; OE æt > at; OE mæsse > mass (at church)
OE eaOE weax > wax; OE healf > half /hæf/ (GA)
OE +CCOE āscian > ask /æsk/ (GA); OE fǣtt > fat; OE lǣstan > to last /læst/ (GA) ; OE blēddre (WS blǣddre) > bladder; OE brēmbel (WS brǣmbel) > bramble
(w+, not +g,ck,ng,nk) GA /ɑ/, RP /ɒ/OE aOE swan > swan; OE wasċan > to wash; OE wann dark > wan
OE æOE swæþ > swath; OE wæsp > wasp
OE eaOE wealwian > to wallow; OE swealwe > swallow (bird)
(+r) /ar/ > GA /ɑr/, RP /ɑː/OE heard > hard; OE ærc (WS earc) > ark
(w+ and +r) /ɔr/ > GA /ɔr/, RP /ɔː/OE eaOE swearm > swarm; OE sweart > old poetic swart >! swarthy; OE weardian > to ward; OE wearm > warm; OE wearnian > to warn
(+lC,l#) /ɔː/OE smæl > small; OE all (WS eall) > all; OE walcian (WS wealcian) to roll > to walk
(+lm) GA /ɑ/, RP /ɑː/OE ælmesse > alms; Latin palma > OE palm > palm
(RP, often +f,s,th) /ɑː/OE glæs > glass; OE græs > grass; OE pæþ > path; OE æfter > after; OE āscian /ɑːsk/ > to ask; OE lǣstan /lɑːst/ > to last
(leng.) /aː/ [æː]aCV/ɛː//eː/ > /ei/OE aOE nama > name; OE nacod > naked; OE bacan > to bake
OE æOE æcer > acre; OE hwæl > whale; OE hræfn > raven
(+r) /eːr/ > GA /ɛr/, RP /ɛə/OE aOE caru > care; OE faran > to fare; OE starian > to stare
e; eo; occ. y; ē+CC; ēo+CC; occ. ǣ+CC,ēa+CC/e/e/ɛ//ɛ/OE eOE helpan > to help; OE elh (WS eolh) > elk; OE tellan > to tell; OE betera > better; OE streċċan > to stretch
OE eoOE seofon > seven
OE yOE myriġ > merry; OE byrġan > to bury /bɛri/; OE lyft- weak > left (hand); OE cnyll > knell
OE +CCOE cēpte > kept; OE mētte > met; OE bēcnan (WS bīecnan) > to beckon; OE clǣnsian > to cleanse; OE flǣsċ > flesh; OE lǣssa > less; OE frēond > friend /frɛnd/; OE þēofþ (WS þīefþ) > theft; OE hēold > held
(+r) ar/ar/GA /ɑr/, RP /ɑː/OE heorte > heart; OE bercan (WS beorcan) > to bark; OE teoru (WS teru) > tar; OE steorra > star
(w+ and +r) /ɔr/ > GA /ɔr/, RP /ɔː/AN werra > war; AN werbler > to warble
(occ. +r) er/ɛr//ər/ > GA /ər/, RP /ɜː/OE eOE sterne (WS stierne, styrne) > stern
OE eoOE eorl > earl; OE eorþe > earth; OE liornian, leornian > to learn
OE +CCOE hērde (WS hīerde) > heard
(leng.) /ɛː/ea,eCV/eː//iː/OE specan > to speak; OE mete > meat; OE beofor > beaver; OE meotan (WS metan) > to mete /miːt/; OE eotan (WS etan) > to eat; OE meodu (WS medu) > mead; OE yfel > evil
(+r) /iːr/ > GA /ɪr/, RP /ɪə/OE spere > spear; OE mere > mere (lake)

ea; e

(occ.) /ei/OE brecan > to break /breik/ ea
(occ. +r) /eːr/ > GA /ɛr/, RP /ɛə/OE beoran (WS beran) > to bear; OE pere, peru > pear; OE swerian > to swear; OE wer man > were- ea; e
(often +th,d,t,v) /ɛ/OE leþer > leather /lɛðɚ/; OE stede > stead; OE weder > weather; OE heofon > heaven; OE hefiġ > heavy ea
i; y; ī+CC,ȳ+CC; occ. ēoc,ēc; occ. ī+CV,ȳ+CV/i/i/ɪ//ɪ/OE iOE writen > written; OE sittan > to sit; OE fisċ > fish; OE lifer > liver
OE yOE bryċġ > bridge; OE cyssan > to kiss; OE dyde > did; OE synn > sin; OE gyldan > to gild; OE bysiġ > busy /bɪzi/
OE +CCOE wīsdōm > wisdom; OE fīftiġ > fifty; OE wȳsċan > to wish; OE cȳþþ(u) > kith; OE fȳst > fist
OE ȳ+CV,ī+CVOE ċīcen > chicken; OE lȳtel > little
OE ēoc,ēcOE sēoc > sick; OE wēoce > wick; OE ēc + nama > ME eke-name >! nickname
(+r) /ər/ > GA /ər/, RP /ɜː/OE gyrdan > to gird; OE fyrst > first; OE styrian > to stir
(leng. — occ.) /eː/ee/iː//iː/OE wicu > week; OE pilian > to peel; OE bitela > beetle ee
o; ō+CC/o/o/ɔ/GA /ɑ/, RP /ɒ/OE oOE god > god; OE beġeondan > beyond
OE +CCOE gōdspell > gospel; OE fōddor > fodder; OE fōstrian > to foster
(GA, +f,s,th,g,ng) /ɔː/OE moþþe > moth; OE cros > cross; OE frost > frost; OE of > off; OE oft > oft; OE sōfte > soft
(+r) /ɔr/ > GA /ɔr/, RP /ɔː/OE corn > corn; OE storc > storc; OE storm > storm
(leng.) /ɔː/oa,oCV/oː/GA /ou/, RP /əu/OE fola > foal; OE nosu > nose; OE ofer > over
(+r) /oːr/ > GA /ɔr/, RP /ɔː/OE borian > to bore; OE fore > fore; OE bord > board oa; o
u; occ. y; ū+CC; w+ e,eo,o,y +r/u/u,o/ʊ//ʌ/OE uOE bucc > buck /bʌk/; OE lufian > to love /lʌv/; OE uppe > up; OE on bufan > above
OE yOE myċel > ME muchel >! much; OE blysċan > to blush; OE cyċġel > cudgel; OE clyċċan > to clutch; OE sċytel > shuttle
OE +CCOE dūst > dust; OE tūsc > tusk; OE rūst > rust
(b,f,p+ and +l,sh) /ʊ/OE full > full /fʊl/; OE bula > bull; OE bysċ > bush
(+r) /ər/ > GA /ər/, RP /ɜː/OE uOE spurnan > to spurn
OE yOE ċyriċe > church; OE byrþen > burden; OE hyrdel > hurdle
OE w+,+rOE word > word; OE werc (WS weorc) > work; OE werold > world; OE wyrm > worm; OE wersa (WS wiersa) > worse; OE weorþ > worth o
(leng. — occ.) /oː/oo/uː//uː/OE (brȳd)-guma > ME (bride)-gome >! (bride)-groom oo
(+r) /uːr/ > /oːr/ > GA /ɔr/, RP /ɔː/OE duru > door oo
(often +th,d,t) /ʌ/ ?
(occ. +th,d,t) /ʊ/OE wudu > wood /wʊd/ oo
ā; often a+ld,mb/ɔː/oa,oCV/oː/GA /ou/, RP /əu/OE āOE āc > oak; OE hāl > whole oa; o
OE +ld,mbOE camb > comb; OE ald (WS eald) > old; OE haldan (WS healdan) > to hold
(+r) /oːr/ > GA /ɔr/, RP /ɔː/OE ār > oar, ore; OE māra > more; OE bār > boar; OE sār > sore
ǣ; ēa/ɛː/ea,eCV/eː//iː/OE ǣOE hǣlan > to heal /hiːl/; OE hǣtu > heat; OE hwǣte > wheat
OE ēaOE bēatan > to beat /biːt/; OE lēaf > leaf; OE ċēap > cheap
(+r) /iːr/ > GA /ɪr/, RP /ɪə/OE rǣran > to rear ; OE ēare > ear; OE sēar > sere; OE sēarian > to sear
(occ.) /ei/OE grēat > great /greit/
(occ. +r) /eːr/ > GA /ɛr/, RP /ɛə/OE ǣr > ere (before)
(often +th,d,t) /ɛ/OE ǣOE brǣþ odor > breath; OE swǣtan > to sweat; OE -sprǣdan > to spread
OE ēaOE dēad > dead /dɛd/; OE dēaþ death; OE þrēat menace > threat; OE rēad > red; OE dēaf > deaf
ē; ēo; often e+ld/eː/ee,ie(nd/ld)/iː//iː/OE ēOE fēdan > to feed; OE grēdiġ (WS grǣdiġ) > greedy; OE mē > me; OE fēt > feet; OE dēd (WS dǣd) > deed; OE nēdl (WS nǣdl) > needle
OE ēoOE dēop deep; OE fēond > fiend; OE betwēonum > between; OE bēon > to be
OE +ldOE feld > field; OE ġeldan (WS ġieldan) to pay > to yield
(often +r) /ɛːr/ear,erV/eːr//iːr/ > GA /ɪr/, RP /ɪə/OE ēOE hēr > here; OE hēran (WS hīeran) > to hear; OE fēr (WS fǣr) > fear
OE ēoOE dēore (WS dīere) > dear
(occ.) /eːr/ > GA /ɛr/, RP /ɛə/OE þēr (WS þǣr) > there; OE hwēr (WS hwǣr) > where
(occ. +r) /eːr/eer/iːr//iːr/ > GA /ɪr/, RP /ɪə/OE bēor > beer; OE dēor > deer; OE stēran (WS stīeran) > to steer; OE bēr (WS bǣr) > bier
ī; ȳ; often i+ld,mb,nd; often y+ld,mb,nd/iː/i,iCV/əi//ai/OE īOE rīdan > to ride; OE tīma > time; OE hwīt > white; OE mīn > mine (of me)
OE ȳOE mȳs > mice; OE brȳd > bride; OE hȳdan > to hide
OE +ld,mb,ndOE findan > to find; OE ċild > child; OE climban > to climb; OE mynd > mind
(+r) /air/ > GA /air/, RP /aiə/OE fȳr > fire; OE hȳrian > to hire; OE wīr > wire
ō; occ. ēo/oː/oo/u://u:/OE ōOE mōna > moon; OE sōna > soon; OE fōd > food /fuːd/; OE dōn > to do
OE ēoOE ċēosan > to choose; OE sċēotan > to shoot
(+r) /uːr/ > /oːr/ > GA /ɔr/, RP /ɔː/OE flōr > floor; OE mōr > moor
(occ. +th,d,v) /ʌ/OE blōd > blood /blʌd/; OE mōdor > mother /mʌðə(r)/; OE glōf > glove /glʌv/
(often +th,d,t,k) /ʊ/OE gōd > good /gʊd/; OE bōc > book /bʊk/; OE lōcian > to look /lʊk/; OE fōt > foot /fʊt/
ū; often u+nd/uː/ou/əu//au/OE ūOE mūs > mouse; OE ūt, ūte > out; OE hlūd > loud
OE +ndOE ġefunden > found; OE hund > hound; OE ġesund > sound (safe)
(+r) /aur/ > GA /aur/, RP /auə/OEOE ūre > our; OE sċūr > shower; OE sūr > sour
(occ. +t) /ʌ/OE būtan > but; OE strūtian > ME strouten > to strut

Diphthongs

This table describes the main developments of Middle English diphthongs, starting with the Old English sound sequences that produced them (sequences of vowels and g, h or ƿ) and ending with their Modern English equivalents. Many special cases have been ignored.

Note: V means "any vowel"; C means "any consonant"; # means "end of word".

Late Old English (Anglian) Early Middle English Late Middle English Early Modern English Modern English Example (Old and Modern English forms given)[37]
æġ, ǣġ/ai//ai/ [æi]/eː//ei/dæġ > day; mæġ > may; mæġden > maiden; næġl > nail; fæġer > fair; clǣġ > clay; grǣġ > gray
eġ, ēġ#/ɛi/weġ > way; pleġan > to play; reġn > rain; leġer > lair; leġde > laid; hēġ (WS hīeġ) > hay
ēġV/ei/ > /iː//iː//əi//ai/ēage > ēġe > eye; lēogan > lēġan > to lie (deceive); flēoge > flēġe > fly
iġ, īġ, yġ, ȳġ/iː/tiġel > tile; liġe > (I) lie ("recline"); hīġian > to hie; ryġe > rye; byġe > (I) buy; drȳġe > dry
æw, aw, agV/au//au//ɔː//ɔː/clawu > claw; lagu > law; dragan > to draw
ǣw, ēaw, ew, eow/ɛu//ɛu//juː//(j)uː/mǣw > mew; lǣwede > lewd; scrēawa > shrew; dēaw > dew
ēw, ēow/eu//iu/ċēowan > to chew; hrēowan > to rue; blēow > blew; trēowþ > truth
iw, īw, yw, ȳw/iu/hīw > hue; nīwe > new; trīewe (WS) > true; Tīwesdæġ > Tiwesdæġ > Tuesday
āw, āgV, ow, ogV, ōw, ōgV/ɔu//ɔu//ou/ > /oː//əu/ (British), /ou/ (American)cnāwan > to know; crāwa > crow; snāw > snow; sāwol > soul; āgan > to owe; āgen > own; grōwan > to grow; blōwen > blown; boga > bow /bou/; flogen > flown
ugV, ūgV/uː//uː//əu//au/fugol > fowl; drugaþ > drouth > drought; būgan > to bow /bau/
æh, ah, ag#/auh//auh/([x] > ∅) /ɔː//ɔː/slæht (WS sleaht) + -or > slaughter
([x] > /f/) /af//æf/hlæhtor > laughter
eh/ɛih//ɛih//ei/ > /eː//ei/streht > straight
ēh/eih/ > /iːh//iːh//əi//ai/hēah > hēh > high; þēoh > þēh > thigh; nēh > nigh
ih, īh, yh, ȳh/iːh/reht > riht > right; flyht > flight; līoht > līht > light
āh, āg#, oh, og#/ɔuh//ɔuh/([x] > ∅) /ou/ > /oː//əu/ (British), /ou/ (American)dāg > dāh > dough
([x] > /f/) /ɔf//ɒf/ (British), /ɔːf/ (American)trog > trough
āhC, ohC, ōhC/ɔuh//ɔuh//ɔː//ɔː/āhte > ought; dohtor > daughter; þoht > thought; sōhte > sought
ōh#, ōg#/ouh/ > /uːh//uːh/([x] > ∅) /əu//au/bōg > bough; plōg > plōh > plough
([x] > /f/) /ʊf/(centralized) /ʌf/ġenōg, ġenōh > enough; tōh > tough; ruh > rough
uh, ug#, ūh, ūg#/uːh/(non-centralized) /ʊf/Weōcetun > Woughton

Development of Old English vowels

See also: Phonological history of Old English § Summary of vowel developments, Phonological history of English § From the Middle and Modern English perspective, and Phonological history of English § History of Middle English diphthongs

This table describes the main changes from Late Proto-Indo-European and Proto-Germanic up through Old English, Middle English and Modern English. It focuses on the Old English and Middle English changes leading to the modern forms. Other tables are also available to cover specific areas in more detail:

This table only describes the changes in accented syllables. Vowel changes in unaccented syllables were very different and much more extensive. In general:

  1. In Old English, long vowels were reduced to short vowels (and sometimes deleted entirely) and short vowels were very often deleted. All remaining vowels were reduced to only the vowels /u/, /a/ and /e/, and sometimes /o/. (/o/ also sometimes appears as a variant of unstressed /u/.)
  2. In Middle English, almost all unstressed vowels were reduced to /ə/; then, final /ə/ was dropped. The main exception is Old English -iġ, which becomes Modern English -y.
  3. Unstressed vowels in Modern English other than those spelled <e> are due either to compounds or to borrowed words (especially from Latin and Old French).

NOTE: The Old English words in this table are given in their Anglian form, since this is the form that underlies Modern English. However, standard Old English was based on the West Saxon dialect, and when the two dialects differ, the West Saxon form is indicated with a WS in parentheses following the Anglian form.

NOTE: In this table, abbreviations are used as follows:

1"Pre-Germanic" in this context refers to a post-PIE language that maintains PIE phonology but with morphological adjustments made as necessary to account for the Proto-Germanic form. Reconstructions are only given for solidly reconstructible Proto-Indo-European roots.

Late PIE1 Proto-Germanic1 Condition Old English Middle English Modern English Examples
  i-umlaut2   i-umlaut2   i-umlaut2
a, o, *h₂e, h₃e, H̥a æe/a//e//æ/; RP /ɑː//ɛ/PG *paþaz > OE pæþ > "path"; PG *batizǫ̂ > OE betera > "better"; PG *taljaną > OE tellan > "to tell"
(leng.) /aː//ɛː//ei//iː/; /ei/; /ɛ/PG *hwalaz > OE hwæl > "whale"; PG *matiz > OE, ME mete "food" > "meat"; PG *stadiz > OE, ME stede > "stead"
(+g) /ai//ɛi/ > /ai//ei//ei/PG *dagaz > OE dæġ > "day"
(+h) /au//ɛu//ɔː/; /æf//(j)uː/PG *hlahtraz > OE hlæhtor (WS hleahtor) > "laughter"; PG *slahtiz > OE sleht (WS slieht) > ME sleight "slaughter"
+n,ma,oe/a/ (occ. /o/)/e//æ/; occ. GA /ɔ/, RP /ɒ//ɛ/PG *mannz, manniz > OE man, mon > "man", plur. men > "men"; PG *hamuraz > OE hamor > "hammer"; PG *handuz > OE hand > "hand"; PG *sange > OE past sang > "sang"; PG *lambaz > OE lamb > "lamb"; Latin candēla > OE candel > "candle"; PG *gandrǫ̂ > OE gandra > "gander"; PG *langaz > OE lang, long > "long"; PG *sandijaną > OE sendan > "send"; PG *bankiz > OE benċ > "bench"; PG *hanjō > OE henn > "hen"
(leng.) /aː//ɛː//ei//iː/; /ei/; /ɛ/PG *namǫ̂ > OE nama > "name"; PG lamǫ̂ > OE lama > "lame"; PG *banǫ̂ > OE bana "slayer" > "bane"
+mf,nþ,nsōē/oː//eː//uː/; /ʌ/; /ʊ//iː/PreG *donts, dontes > PG *tanþz, tanþiz > OE tōþ > "tooth", plur. tēþ > "teeth"; PG *gans, gansiz > OE gōs > "goose", plur. gēs > "geese"; PG *anþaraz > OE ōþer > "other"
(+CC) /o//e/GA /ɔ/, RP /ɒ/; GA /ɔː//ɛ/PG *samftijaz, samftô > OE sēfte, *sōfta >! OE sōfte > "soft"; PG *anstiz > OE ēst "favor" > ME "este"
+lCaæ > e/a//e//ɔː//ɛ/PG *fallaną > OE fallan (WS feallan) > "to fall"; PG *fallijaną > OE fællan > fellan (WS fiellan) > "to fell"
(+ld) /ɔː//ɛː/GA /ou/, RP /əu//iː/; /ei/; /ɛ/PG *aldaz, aldizǫ̂ > OE ald (WS eald) > "old", ældra (WS ieldra) "older" > "elder"; PG *haldaną > OE haldan (WS healdan) > "to hold"
+rc,rg,rhæ > ee/e//e/GA /ɑ/(+r), RP /ɑː/GA /ɑ/(+r), RP /ɑː/Latin arca > OE erc (WS earc) > "ark"
+rC (C not c,g,h)eae/a//e/GA /ɑ/(+r), RP /ɑː/GA /ɑ/(+r), RP /ɑː/PG *harduz > OE heard > "hard"
before a,o,ua(by analogy) æ/a//a//æ/; RP /ɑː//æ/; (RP) /ɑː/Latin cattus > OE catt > "cat"
(leng.) /aː//aː//ei//ei/PG *talō > OE talu > "tale"; PG *bakaną, -iþi > OE bacan > "to bake", 3rd sing. pres. indic. bæcþ "bakes"
(+g,w) /au//au//ɔː//ɔː/PG plur. *dagôs > OE dagas "days" > dial. "dawes"; PG *laguz > OE lagu > "law"; PG *clawō > OE clawu > "claw"
before later a,o,ueaeo/a//e//æ/; (RP) /ɑː//ɛ/
(leng.) /aː//ɛː//ei//iː/; /ei/; /ɛ/PG *alu(þ) > OE ealu > "ale"; PG *asiluz > OE eosol (WS esol) "donkey"
(+g,w) /au//ɛu//ɔː//(j)uː/PG *awī > OE eowu > "ewe"
before hs,ht,hþ + final -izN/Ai (occ. ie)N/A/i/N/A/ai/PIE *nokwtis > PG *nahtiz > OE nieht > OE niht > "night"
e, *h₁e, occ. i+C*e,a,oe eN/A/e/N/A/ɛ/N/APIE *nizdos > PG *nestaz > OE nest > "nest"; PG *helpaną > OE helpan > "to help"; PG *fehtaną > OE fehtan (WS feohtan) "to fight" (irreg.); PG *berkaną > OE bercan (WS beorcan) > "to bark"
(leng.) /ɛː/N/A/iː/; /ei/; /ɛ/N/APG *brekaną > OE brecan > "to break"; PG *ebnaz > OE ef(e)n > "even"; OE feþer > "feather"
(+g,h) /ɛi/ > /ai/N/A/ei/N/APG *wegaz > OE weġ > "way"; PG *regnaz > OE reġn > "rain"; PG *seglaz > OE seġl > "sail"
(+ld) /eː/N/A/iː/N/APG *felduz > OE feld > "field"; PG *geldaną > OE ġeldan (WS ġieldan) "to pay" > "to yield"
+miN/A/i/N/A/ɪ/N/APG *remǫ̂ > OE rima > "rim"; PG *nemaną > OE niman "to take" > archaic "to nim"
(leng.) /eː/N/A/iː/N/A
+rC (C not c,g,h); wV; C (C not c,g) +later a,o,ueoN/A/e/N/A/ɛ/; (+r) GA /ɑ/(+r), RP /ɑː/N/APG *werþaną > OE weorðan "to become"; PG *hertǭ > OE heorte > "heart"
(leng.) /ɛː/N/A/iː/; /ei/; /ɛ/N/APG *etaną > OE eotan (WS etan) > "to eat"; PG *beraną > OE beoran (WS beran) > "to bear"
(+w) /ɛu/N/A/(j)uː/N/A
+ late final hs,ht,hþi (occ. ie)N/A/i/N/A/ɪ/N/APG *sehs > OE siex > "six"; PG *rehtaz > OE riht > "right"
i, (h₁)e+C*i, (h₁)e+C*y, (h₁)e+nCi ii/i//i//ɪ//ɪ/PG *fiską > OE fisċ > "fish"; PG *hringaz > OE hring > "ring"; PG *bidjaną > OE biddan "to pray" > "to bid"; PG *itiþi > OE 3rd sing. pres. indic. iteþ "eats"; PG *skiriþi > OE 3rd sing. pres. indic. sċirþ (WS sċierþ) "shears"; PG *stihtōjaną > OE stihtian "to establish"
(leng.) /eː//eː//iː//iː/PG *wikō > OE wicu > "week"
(+g) /iː//iː//ai//ai/Latin tegula > OE tiġele > "tile"; PG *brigdilaz > OE briġdel > "bridle"
(+ld,nd) /iː//iː//ai//ai/PG *blindaz > OE blind > "blind" /blaind/; PG *kildaz (plur. *kildōzō) OE ċild > "child" /tʃaild/; PG *wildijaz > OE wilde > "wild" /waild/
+ mf,nþ,nsīī/iː//iː//ai//ai/PG *fimf > OE fīf > "five"; PG *linþijō > OE līþe "gentle" > "lithe"
(+CC) /i//i//ɪ//ɪ/PG *fimf tigiwiz > OE fīftiġ > "fifty"
+rC (C not c,g,h); wio > eoi/e//i//ɛ//ɪ/PG *liznōjaną > OE liornian > OE leornian > "learn"; PG *a + firrijaną > OE afirran (WS afierran) "to remove" (cf. feorr "far")
(+w) /eu/ > /iu//iu//(j)uː//(j)uː/PG *niwulaz > OE niowul, neowul "prostrate"; PG *spiwiz > OE spiwe "vomiting"; PG *hiwiz > OE hīw > "hue"
before a,o,ui (io, eo)N/A/i/ (/e/)N/A/ɪ/ (/ɛ/)N/APG *milukz > OE mioluc,meolc > "milk"
(leng.) /eː/ (/ɛː/)N/A/iː/ (/iː/; /ei/; /ɛ/)N/A
(+g) /iː/ (/ɛi/ > /ai/)/iː//ai/ (/ei/)/ai/
u, *n̥(H), *m̥(H), *l̥(H), *r̥(H)3u uy/u//i//ʌ/; /ʊ//ɪ/PG *sunuz > OE sunu > "son"; PG *kumaną, -iþi > OE cuman > "to come", 3rd sing. pres. indic. cymþ "comes"; PG *guldijaną > OE gyldan > "to gild"
(leng.) /oː//eː//uː/; /ʌ/; /ʊ/; (+r) GA /ɔr/, RP /ɔː//iː/PreG *dhurus > PG *duruz > OE duru > "door"; PG *widuz > OE widu >! OE wudu > "wood"; PG *ubilaz > OE yfel > "evil"
(+g) /uː//iː//au//ai/OE ryġe > "rye"
(+w) /uː//iu//au//(j)uː/
+ mf,nþ,nsūȳ/uː//iː//au//ai/PG *munþz > OE mūþ > "mouth"; PG *kunþijaną > OE cȳþan "to make known" > ME "kithe"
(+CC) /u//i//ʌ/; /ʊ//ɪ/PG *tunskaz > OE tūsc > "tusk"; PG *wunskijaną > OE wȳsċan > "wish"; PG *kunþiþō > OE cȳþþ(u) > "kith"
before non-nasal + a,e,oo(by analogy) e/o//e/GA /ɔ/, RP /ɒ//ɛ/PG *drupǫ̂ > OE dropa > "drop"; PG *fulką > OE folc > "folk"
(leng.) /ɔː//ɛː/GA /ou/, RP /əu/; (+r) GA /ɔr/, RP /ɔː//iː/; /ei/; /ɛ/PG *fulǫ̂ > OE fola > "foal"; PG *nusuz (*nusōu?) > OE nosu > "nose"; PG *hupōjaną > OE hopian > "to hope"
(+g,h,w) /ɔu//ɛi/ > /ai/GA /ou/, RP /əu/; GA /ɔːf/, RP /ɒf//ei/PG *duhter, duhtriz > OE dohter > "daughter", plur. dehter "daughters"; PG *trugaz > OE trog > "trough"; PG *bugǫ̂ > OE boga > "bow" /bou/
(+ld,rd) /ɔː//ɛː/GA /ou/, RP /əu/; (+r) GA /ɔr/, RP /ɔː//iː/; /ei/; /ɛ/PG *guldaz > OE gold > "gold"; PG *burdą > OE bord > "board"
ē(H), eh₁ǣ > ā ēē/eː//eː//iː//iː/PG *slǣpaną > OE slēpan (WS slǣpan) > "to sleep", Latin strāta > OE strēt (WS strǣt) > "street"; PG *dǣdiz > OE dēd (WS dǣd) > "deed"; Latin cāseus > OE ċēse (WS ċīese) > "cheese"
(+CC) /e//e//ɛ//ɛ/
(+g,h) /iː//iː//ai//ai/PG *nǣhaz, nǣhistaz > OE nēh (WS nēah) "near" > "nigh", superl. nēhst (WS nīehst) "nearest" > "next"
+n,mōē/oː//eː//uː//iː/PG *mǣnǫ̂ > OE mōna > "moon"; PG *kwǣniz > OE kwēn > "queen"
+w; ga,go,guāǣ/ɔː//ɛː/GA /ou/, RP /əu//iː/; /ei/; /ɛ/
(+g) /ɔu//ɛi/ > /ai/GA /ou/, RP /əu//ei/PG *mǣgôz > OE māgas "relatives"
(+w) /ɔu//ɛu/GA /ou/, RP /əu//(j)uː/PG *knǣwaną, -iþi > OE cnāwan > "to know", 3rd sing. pres. indic. cnǣwþ "knows"
ēi, iz, etc.4ē ēē/eː//eː//iː//iː/PG *hēr > OE hēr > "here"; PIE *mizdhā > PG *mēdō > OE mēd "reward"
(+g,h) /iː//iː//ai//ai/OE past hēht "called" > "hight"
(+w) /eu/ > /iu//eu/ > /iu//(j)uː//(j)uː/
ā, ō, aH, oH, eh₂, eh₃; an+K, on+K, h₂en+K, h₃en+Kō; ą̄+h ōē/oː//eː//uː/; /ʌ/; /ʊ//iː/PG *fōtz, fōtiz > OE fōt > "foot", plur. fēt > "feet"
(+CC) /o//e/GA /ɔ/, RP /ɒ/; GA /ɔː//ɛ/PG *kōpi-dǣþ > OE cēpte > "kept"; PG *mōti-dǣþ > OE mētte > "met"
(+g,h) /uː//iː//au/; /ʌf//ai/PG *swōganą > OE swōgan "to sound" > ME /suːə/ > "sough" /sau/; PG *bōgaz > OE bōg > ME /buːh/ > "bough" /bau/; PG *tōhaz > OE tōh > ME /tuːh/ > "tough" /tʌf/; PG past *sōh-dǣþ > OE sōhte > ME /sɔuhtə/ > "sought"
(+w) /ɔu//eu/ > /iu/GA /ou/, RP /əu//(j)uː/PG *grōwaną > OE grōwan > "grow"
(h₁)ei, ī, iH; (h₁)en+K, in+Kī; į̄+h īī/iː//iː//ai//ai/PG *wībą > OE wīf > "wife"; PG *līhiþi > 3rd sing. pres. indic. līþ (WS līehþ) "lends"; PIE *lengwhtos > PG *lį̄htaz > OE līht (WS lēoht) > "light" (in weight)
(+CC) /i//i//ɪ//ɪ/
(+g,h) /iː//iː//ai//ai/PG *hīgōjaną > OE hīgian > "hie"
(+w) /iu//iu//(j)uː//(j)uː/PG *Tīwaz > OE Tīw (name of a god) + -es "'s" + dæġ "day" > "Tuesday"
ū, uH; *n̥+K, un+Kū; ų̄+h ūȳ/uː//iː//au//ai/PG *mūs, mūsiz > OE mūs "mouse", plur. mȳs > "mice"; PG *hūdijaną > OE hȳdan > "to hide"
(+CC) /u//i//ʌ/; /ʊ//ɪ/PG *rūstaz > OE rūst > "rust"; *pn̥kʷstis > PG *fų̄hstiz > OE fȳst > "fist"
(+g,h) /uː//iː//au/; /ʌf//ai/PG *būganą > OE būgan "to bend" > "bow"; PG *rūhaz > OE rūh > "rough" /rʌf/; PG *drūgijaz > OE drȳge > "dry"
(+w) /uː//iu//au//(j)uː/OE trūwian "to trust" > archaic "trow" /trau/
ai, oi, h₂ei, h₃eiai āǣ/ɔː//ɛː/GA /ou/, RP /əu/; (+r) GA /ɔr/, RP /ɔː//iː/; /ei/; /ɛ/PG *stainaz > OE stān > "stone"; PreG perfect *roidhe > PG past *raide > OE rād > "rode"; PreG *oyerā > PG *airō > OE ār > "oar"; PIE *ayes > PG *aiz > OE ār "bronze" > "ore"; PG *hwaitiją > OE hwǣte > "wheat"
(+CC) /a//a//æ/; RP /ɑː//æ/; RP /ɑː/PG *faittiz > OE fǣtt > "fat"
(+g,h) /ɔu//ɛi/ > /ai/GA /ou/, RP /əu//ei/PG *aiganą > OE āgan > "owe"; PG *daigaz > OE dāg, dāh > "dough"
(+w) /ɔu//ɛu/GA /ou/, RP /əu//(j)uː/PG *maiwiz > OE mǣw > "mew"
au, ou, h₂eu, h₃euau ēaē/ɛː//eː//iː/; /ei/; /ɛ//iː/PG *auzǭ > OE ēare > "ear"; PG *hauzijaną > OE hēran (WS hīeran) > "to hear"
(+w) /ɛu//eu/ > /iu//(j)uː//(j)uː/PG *skrawwǫ̂ > OE sċrēawa > ME "shrewe" > "shrew"
+c,g,h; rc,rg,rh;lc,lg,lhēē/eː//eː//iː//iː/PG *auke(?), *aukijaną > OE ēc, ēċan (WS ēac, īeċan) "also, to increase" > ME "eke, eche" > "eke" (archaic), "to eke"
(+g,h) /iː//iː//ai//ai/PG *augǭ > OE ēġe (WS ēage) > "eye"; PG *hauhaz, hauhistaz > OE hēh (WS hēah) > "high", superl. hēhst (WS hīehst) "highest"
(h₁)eueu ēoN/A/eː/N/A/iː/N/APG *deupaz > OE dēop > "deep"; PG *beudaną > OE bēodan "to command"
(+w) /eu/ > /iu/N/A/(j)uː/N/APG *hrewwaną > OE hrēowan > "to rue"
+c,g,h; rc,rg,rh; lc,lg,lhēN/A/eː/N/A/iː/N/APG *reukaną > OE rēcan (WS rēocan) > "to reek"
(+g,h) /iː/N/A/ai/N/APG *fleugǭ > OE flēge (WS flēoge) > "fly"; PG *leuganą > OE lēgan (WS lēogan) > "to lie"; PIE *leuktos > PG *leuhtaz > OE lēht (WS lēoht) > "light" (brightness)
(h₁)eu+C*i, (h₁)eu+C*yiu N/Aīo > ēoN/A/eː/N/A/iː/PIE *newios > PG *niujaz > OE nīwe > "new"; PG *biudiþi > 3rd sing. pres. indic. bīott (WS bīett) "commands"
(+w) N/A/eu/ > /iu/N/A/(j)uː/PG *triwwiz > *triwwijaz > OE trīowe, trēowe > ME "trewe" > "true"
+c,g,h; rc,rg,rh; lc,lg,lhN/AīN/A/iː//ai//ai/PIE *leuktionom > PG *liuhtijaną > OE līhtan (WS līehtan) "to light"

1A + separates the sounds that produced the Proto-Germanic vowels in question from the sounds that formed the conditioning environment. The notation C* means a sequence of zero or more consonants.

2I-umlaut refers to a sound change that took place around 500 AD with pervasive effects on English vowels. Specifically, vowels were fronted or raised whenever an /i/ or /j/ followed in the next syllable. Nearly every vowel was affected. Affected vocabulary is shown in a different color.

3PIE *n̥ and *n̥H became Proto-Germanic un; similarly for *m̥, *l̥ and *r̥. K refers to either of the PIE sounds ḱ or k, which fell together in Proto-Germanic and the other Centum languages; or to any of the nine PIE velars when followed directly by a voiceless consonant (especially t). H refers to any laryngeal sound. The ogonek (e.g. ą, ǭ) indicates a nasal vowel. Long vowels are noted with a macron (e.g. ē, ō). Extralong vowels are noted with a circumflex (e.g. ô).

4The origins of Proto-Germanic ē are somewhat in dispute.

See also

Notes

  1. 1 2 Campbell 1959, pp. 52–53, sec. 131–133.
  2. ↑ Campbell 1959, pp. 60–62, sec. 157–163.
  3. ↑ Campbell 1959, pp. 50–51, sec. 127–129.
  4. ↑ Campbell 1959, pp. 54–60, sec. 139–156.
  5. ↑ Campbell 1959, p. 53, sec. 34.
  6. ↑ Cercignani 1983.
  7. ↑ Campbell 1959, pp. 64–71, sec. 170–189.
  8. ↑ Campbell 1959.
  9. ↑ Mitchell & Robinson 2001.
  10. ↑ Lass 1994.
  11. ↑ Campbell 1959, pp. 186–187, sec. 461–466.
  12. ↑ Campbell 1959, pp. 104–105, sec. 241–242.
  13. ↑ Campbell 1959, pp. 98–104, sec. 170–189.
  14. ↑ Campbell 1959, pp. 85–93, sec. 205–221.
  15. ↑ Campbell 1959, pp. 155–156, sec. 373.
  16. ↑ Campbell 1959, pp. 143–144, sec. 341–342.
  17. ↑ word histories: sneeze
  18. ↑ Cercignani 1981.
  19. ↑ Wells 1982, pp. 192–94, 337, 357, 384–85, 498..
  20. ↑ E. J. Dobson (English pronunciation, 1500–1700, Oxford: Clarendon Press, 1968, passim) and other scholars before him postulated the existence of a vowel /y/ beside /iu̯/ in early Modern English. But see Fausto Cercignani, On the alleged existence of a vowel /y:/ in early Modern English, in “English Language and Linguistics”, 26/2, 2022, pp. 263–277
  21. ↑ Dobson 1968, p. 720.
  22. ↑ Trudgill 2002, p. 71.
  23. ↑ Labov, Ash & Boberg 2006, chpt. 17.
  24. ↑ Wells 1982, pp. 339–40, 419.
  25. 1 2 Wells 1982, pp. 245–47.
  26. ↑ Trudgill 2002, pp. 28–30.
  27. ↑ Labov, Ash & Boberg 2006, chpt. 7.
  28. ↑ Grama, James; Travis, Catherine E; González, Simón. "Initiation, progression, and conditioning of the short-front vowel shift in Australia". Academia. Retrieved 4 December 2023.
  29. 1 2 Labov, Ash & Boberg 2006, chpt. 12.
  30. ↑ Trudgill 2002, pp. 77–78.
  31. ↑ Trudgill 2002, pp. 63–66.
  32. ↑ Wagner, S. E.; Mason, A.; Nesbitt, M.; Pevan, E.; Savage, M. (2016). "Reversal and re-organization of the Northern Cities Shift in Michigan" (PDF). University of Pennsylvania Working Papers in Linguistics 22.2: Selected Papers from NWAV 44.
  33. ↑ Driscoll, Anna; Lape, Emma (2015). "Reversal of the Northern Cities Shift in Syracuse, New York". University of Pennsylvania Working Papers in Linguistics. 21 (2).
  34. ↑ Dinkin, Aaron (2017). "Escaping the TRAP: Losing the Northern Cities Shift in Real Time (with Anja Thiel)". Talk presented at NWAV 46, Madison, Wisc., November 2017.
  35. ↑ Dobson, E.J. (1957), English Pronunciation 1500–1700, London: Oxford University Press, p. 558
  36. ↑ Dobson, E.J. (1957), English Pronunciation 1500–1700, London: Oxford University Press, pp. 677–678
  37. ↑ Many examples from Fernand Mossé (1968), A Handbook of Middle English, tr. James Walker, Baltimore: Johns Hopkins Press, pp. 27–29.

References

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