Back to Matrix [õ] → [au] Edit this Data

[au]→[õ]Certainty: 5/5Commonality: 3/5

Smoothing Nasalization Vowel Shift Romance

Diphthong au to Nasalized close-mid back rounded vowel

The shift from the diphthong [au] to a nasalized vowel [õ] is a common historical development, involving smoothing of the diphthong and nasalization of the resulting vowel.

Phonetic Effects

Smoothing, Nasalization

Language Examples

Portuguese (Historical Stages) Romance

manum [au]→mão [ɐ̃w̃]— Historical development of the Portuguese -ão ending, involving stages of nasalization and smoothing from Latin -anum/-onum/um sequences.

Related Transformations

Reverse

More Nasalization Shifts

[ã] → [õ] — Raising [a] → [ã] — Assimilatory Nasalization [a] → [∅] — Elision [a] → [ə] — Vowel Reduction [ai] → [e] — Monophthongization

Sources & References

Spotted a mistake or have a better example?

EchoDrift is community-driven. You can suggest a change directly through GitHub.

Propose an Edit on GitHub