[ã]→[o]Certainty: 2/5Commonality: 1/5

Nasalized open front unrounded vowel to Close-mid back rounded vowel

Denasalization with raising and rounding of the nasalized open front vowel [ã] to the close-mid back rounded vowel [o]. This shift involves loss of nasality combined with raising of vowel height and backspace movement with rounding, occurring through denasalization and vowel compensatory changes in Romance language evolution.

Phonetic Effects

Denasalization, Raising, Rounding, Backing

Language Examples

Old French to Modern French Romance

pans [pɑ̃s]→pois/paon [pwɑ] → [pwɔ]— Denasalization with vowel raising: Old French [ã] → Modern French [ɔ̃] or [o] in certain contexts

[ã] word-final or pre-consonantal→[o] or [ɔ̃]— Historical shift from nasalized low vowel to raised nasalized mid vowel, with some instances of complete denasalization

Portuguese (dialectal and historical) Romance

não [nɐ̃w̃]→[nɔ̃w̃]— Denasalization with raising: nasalized open vowel shifts toward close-mid position, characteristic of some Portuguese dialects

[ã] pre-coda→[ɔ̃]— Northern Portuguese and some Galician dialects show denasalization with simultaneous vowel raising before consonants

Related Transformations

Reverse Simple denasalization without raising Denasalization with raising to mid vowel

More Raising Shifts

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

Sources & References

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