1†v. cause (someone) to become like an Indian in manner, dress, outlook, etc.
1849  When [the children] were recovered, they were quite Indianized, and one of them having children, would not stay with their friends, but preferred the woods, the blanket, and mocassins to civilized habits.
1923  He found something vaguely fortifying in the thought of how such exposure had already partly Indianized her. . . .
2v. adopt (words) into an Indian language in such a way that they follow the phonological and morphological patterns of that language.
1909  Various words in the Algonquin vocabulary are but the early French words Indianized, and this name of Lake Simcoe is so suspiciously like the French "chien" for "dog" as to suggest some connection with it.