a group of North American Indian languages, comprising the Athabaskan family, Eyak, Tlingit, and Haida, hypothetically considered to be descendants of a single protolanguage: the genetic relationship of either Tlingit or Haida to Athabaskan and Eyak is now disputed.
the hypothesized protolanguage itself.
of, belonging to, or pertaining to Na-Dene.
1915; name coined by Edward Sapir from assumed reflexes of a single Na-Dene root: Haida na to live, house, Tlingit na people, Athabaskan *-ne in dene, representing a word in Athabaskan languages for “person, people,” e.g., Navajo diné
is always a great word to know.
So is quincunx. Does it mean: