The Universal Atlas of Phonetic Evolution
Back to Matrix [ou] → [õ] Edit this Data

[õ]→[ou]Certainty: 5/5Commonality: 2/5

Nasalized close-mid back rounded vowel to Diphthong ou

The diphthongization of a nasalized back vowel [õ] to [ou] (or [õũ]) represents a historical stage in the development of nasal diphthongs in Western Romance.

Phonetic Effects

Diphthongization

Language Examples

[õ]→[õũ]— Portuguese historical stages where simple nasal vowels developed into nasal diphthongs.

Related Transformations

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