noun (plural ~) Etymology: American French, short for Nadouessioux, from Ojibwa natowessiw- Date: 1762 Dakota , Siouan
SIOUX
Meaning of SIOUX in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012