The Universal Atlas of Phonetic Evolution
Back to Matrix [u] → [ei] Edit this Data

[ei]→[u]Certainty: 2/5Commonality: 1/5

Diphthong ei to Close back rounded vowel

Monophthongization of diphthong [ei] to close back rounded vowel [u]. This involves glide absorption with significant vowel quality change.

Phonetic Effects

Monophthongization, Rounding, Raising

Language Examples

[ei]→[u]— Extreme vowel shift in non-standard accents.
[ei]→[u]— Regional vowel variation.
[ei]→[u]— Reduction in casual articulation.

Related Transformations

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