Na-Dene
noun
nä-ˈdā-(ˌ)nā 
-ˈde-,
-nē
: a hypothetically related group of American Indian languages that includes the Athabascan family, Tlingit, and Haida
Word History
Etymology
na- (from Haida na to dwell & Tlingit na people) + Dene Déné
First Known Use
1932, in the meaning defined above