Proto-Algonquian *eθkwe·wa 'woman' becomes Arapaho hisei, Cheyenne hé’e, Gros Ventre iiθe, and Nitsitapi skiima "female animal" and -ohkiimi- "have a wife".
A Proto-Algonquian word *eθkwe·wa has given rise to various words in Algonquian languages, such as Arapaho hisei, Cheyenne hé’e, Gros Ventre iiθe, and Nitsitapi skiima, which all convey the idea of a female animal or the concept of marriage.