Back to Matrix [ou] → [a] Edit this Data

[a]→[ou]Certainty: 5/5Commonality: 3/5

Open front unrounded vowel to Diphthong ou

The transformation of the open central vowel [a] into the back rounded diphthong [ou] involves both rounding and backing, often triggered by surrounding labial or velar environments.

Phonetic Effects

Rounding, Backing, Diphthongization

Language Examples

English Germanic

GVS stage→[ou]— Development of Middle English long [a:] into earlier [o:] stages before further raising.

English (Dialectal) Germanic

[wa]→[wou]— Rounding of [a] in the context of [w] in certain varieties.

Related Transformations

Reverse Rounding of low vowel

More Rounding Shifts

[ã] → [õ] — Raising [a] → [ã] — Assimilatory Nasalization [a] → [∅] — Elision [a] → [ʔ] — Glottalization [a] → [ə] — Vowel Reduction

Sources & References

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