From Khitan or , Khitai(n), under influence from Chinese 契丹 (Qìdān), Middle Chinese Khejtan, and Mongolian Кидан (Kidan). Cognate with Russian Кита́й (Kitáj, “China”) and the various forms of Cathay (“legendary northern medieval China”) in European languages.
- An extinct Mongolic language once spoken in the northern China.
- Ancient nomadic people who lived in that area.
- (people): Liao