Clackamas

Etymology
from ɬak'amas, the name for the people of the  region, "g-i-ɬá-q'imaš" or "g-it-ɬá-q'imaš"

Noun

 * 1) A member of a Native American people of Oregon

Proper noun

 * 1) A river in Oregon
 * 2) An extinct Chinookan language spoken by the Clackamas.