also Algonkian, 1885, an ethnologist's word, modified from Algonquin + -ian. Both forms of the name have been used as adjectives and nouns. An American-Indian language family spread over a wide area of northeast and north-central North America, from Nova Scotia (Micmac) to Montana (Cheyenne).[Algonquian etymology, Algonquian origin, 英语词源]