Origin: < Haida na, to dwell, house & Tlingit na, people + Athabaskan dene, person, people (occurring in various dialect forms): coined (1914) by Edward Sapir while at Ottawa
See Na-Dene in American Heritage Dictionary 4
Origin: Haida náa-, house, to live
Origin: , and Tlingit naa, tribe
Origin: + Proto-Athabaskan *dənǽ, person.