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16Formation of New Diphthongs in me.

All OE diphthongs were contracted (became monophthongs) as at the end of the OE period.

periods

sounds

Old English

Middle English

eo > e

ea >e

eo >e

ea >a

deop

bread

seofon

eald

deep

bread

seven

ald

But instead of the former diphthongs that had undergone contraction at the end of the OE period there appeared in Middle English new diphthongs. The new diphthongs sprang into being due to the vocalization of the consonant [j] after the front vowels [e]or [ae] or due to the vocalization of the consonant [ ] or the semi-vowel [w] after the back vowels [o] and [a:].

Thus in Middle English there appeared four new diphthongs: [ai], [ei], [au], [ou].

20Me vowels: Quantitative changes.

Among many cases of quantitative changes of vowels one should pay particular attention to the lengthening of the vowel, when it was followed by the consonant [r]. Short vowels followed by the consonant [r] became long after the disappearance of the given consonant at the end of the word or before another consonant.

Middle English New English

[ a ]>[a: ] farm farm

[ o ]>[ o: ] hors horse

When the consonant [r] stood after the vowels [e], [i], [u], the resulting vowel was different from the initial vowel not only in quantity but also in quality.

Compare:

her

fir [ ]

fur

or [h] before [t]: might, night, light

21Verner’s Law. Rhotacism

Verne’s Law is formulated in the following way: voiceless fricatives f, p, h that appeared due to sound-shifting and s inherited from PIE became voiced in the inter-vocal position if the preceding syllable was unstressed, nut otherwise remained unchanged.

p

t

k

b

d

g


This change may have taken place in the 1st century AD.

s-z-r

Verner’s Law plus a later change called Rhotacism takes care of another troublesome anomaly: the appearance of what ought to be unchanged IE. It took place in the West Germanic languages and ON.

22Me vowels: Qualitative changes

  • changes of monophthongs

All long monophthongs underwent a change that is called The Great Vowel Shift. Due to this change the vowels became more narrow and more front.

[ ]>[ ]

[ ]>[ ]

[ ]>[ ]

[ ]>[ ]

Two long close vowels [ ] and [ ] at first also became more narrow and gave diphthong of the [ ] or [ ]type. But those diphthongs were unstable because of the similarity between the glide and the nucleus. Consequently the process of the dissimilation of the elements of the new diphthongs took place and eventually the vowels [ ] and [ ] gave us the diphthongs [ ] and [ ], respectively. For instance:

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