Kwalhioqua–Clatskanie (Kwalhioqua–Tlatskanai, Lower Columbia Athabaskan) is an

extinct Extinction is the termination of an organism by the death of its Endling, last member. A taxon may become Functional extinction, functionally extinct before the death of its last member if it loses the capacity to Reproduction, reproduce and ...

Athabaskan language Athabaskan ( ; also spelled ''Athabascan'', ''Athapaskan'' or ''Athapascan'', and also known as Dene) is a large branch of the Na-Dene language family of North America, located in western North America in three areal language groups: Northern, ...

of northwest

Oregon Oregon ( , ) is a U.S. state, state in the Pacific Northwest region of the United States. It is a part of the Western U.S., with the Columbia River delineating much of Oregon's northern boundary with Washington (state), Washington, while t ...

and southwest

Washington state Washington, officially the State of Washington, is a state in the Pacific Northwest region of the United States. It is often referred to as Washington State to distinguish it from the national capital, both named after George Washington ...

, along the lower

Columbia River The Columbia River (Upper Chinook language, Upper Chinook: ' or '; Sahaptin language, Sahaptin: ''Nch’i-Wàna'' or ''Nchi wana''; Sinixt dialect'' '') is the largest river in the Pacific Northwest region of North America. The river headwater ...

. It was documented in the early 20th century, and a wordlist was compiled, consisting of some 322 words.

Dialects

Dialects were: * Kwalhioqua (a.k.a. Willapa or Willoopah) (north of the lower Columbia River) **Willapa or Wela'pakote'li subdialect **Suwal subdialect * Clatskanie (a.k.a. Tlatskanai) (south of the lower Columbia River)

References

{{Indigenous peoples in Washington Northern Athabaskan languages Extinct languages of North America