Drevlian

Noun

 * 1)  A member of a tribe of Early East Slavs between the 6th and 10th centuries, inhabiting the territories of Polesia and Right-bank Ukraine, west of the eastern Polans and along the lower reaches of the rivers Teteriv, Uzh, Ubort, and Stviga.

Adjective

 * 1) Of or relating to these people.