Nakota
noun
Na·ko·ta nə-ˈkō-tə 
plural Nakota also Nakotas
: a member of a First Nations people originally of the Great Plains between the upper Missouri and middle Saskatchewan rivers : assiniboine —used as a self-designation
Word History
Etymology
borrowed from Dakota (Nakota dialect) nakʰóta, a self-designation
Note: See note at dakota.
First Known Use
1861, in the meaning defined above