The Proto-Uto-Aztecan language
; also sometimes Uto-Aztekan
) is the hypothetical common ancestor of the Uto-Aztecan languages
Proto-Uto-Aztecan is reconstructed as having an unusual five-vowel system: . Langacker (1970) demonstrated that the fifth vowel should be reconstructed as *ɨ as opposed to *e—there had been a long-running dispute over the proper reconstruction (Campbell 1997:136).
Note that in Americanist phonetic notation
, and are equivalent to IPA /ts͡/ and /j/, respectively. *n and *ŋ may have actually been *l and *n, respectively.
- Campbell, Lyle (1997). American Indian Languages: The Historical Linguistics of Native America. Oxford: Oxford University Press
- Langacker, Ronald W. (1970). "The Vowels of Proto Uto-Aztecan". International Journal of American Linguistics 36 (3): 169–180.