Nass–Gitksan
/ˌnasɡɪtˈksan/(also Nass–Gitksian)
noun
A Tsimshian language comprising the mutually intelligible dialects Nisga'a (or Nass) and (Eastern and Western) Gitksan.
Origin
1970s; earliest use found in International Journal of American Linguistics. From Nass + Gitksan, the name of the Tsimshian dialect of the Gitksan people.