[ aht-nuh ]
/ ˈɑt nə /

noun, plural Aht·nas, (especially collectively) Aht·na for 1.

a member of a group of Indians inhabiting the Copper River Valley in southeastern Alaska.
the Athabaskan language of the Ahtna.
Also Ah·te·na [aht-n-uh, aht-nuh] /ˈɑt n ə, ˈɑt nə/, At·na [aht-nuh] /ˈɑt nə/.

Origin of Ahtna

< Russian Atna a name for the Copper River < Ahtna ʔatnaʔ the lower Copper River (place-name of obscure origin)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019