Costanoan

noun
Co·​sta·​no·​an | \kəˈstänəwən, kōˈ-\
plural Costanoan or Costanoans

Definition of Costanoan 

1a : an Indian people of coastal California from San Francisco Bay to Monterey

b : a member of such people

2 : a language of the Costanoan people

3 : a language family of the Penutian stock comprising only the Costanoan language or languages

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History and Etymology for Costanoan

Costano, a division of the Costanoan (from Spanish costeño, literally, coastman, from costa coast, from Latin costa rib, side) + English -an

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