Caddoan

 
Pronunciation: /ˈkadəʊən/

adjective

  • relating to or denoting a group of American Indian peoples formerly inhabiting the Midwest, or their languages, now all virtually extinct.

noun

  • 1a member of any of the Caddoan peoples.
  • 2 [mass noun] the family of languages spoken by the Caddoan peoples, which includes Pawnee and may be related to Siouan and Iroquoian.

Origin:

from Caddo (a language of the Caddoan family) kaduhdacu, denoting a band belonging to this group, + -an