1Of or designating a subgroup of the Uto-Aztecan family of languages.
Formerly called Plateau Shoshonean.
2Of, relating to, or designating a North American Indian people speaking one of the Numic languages, or such peoples collectively.
1950s. Either from Shoshone nɨmɨ person, people, or from Northern Paiute nɨmɨ or Southern Paiute nɨmɨ in the same sense + -ic.