契ㄑㄧˋqì丹ㄉㄢdān

我國古代東胡族的一支。原居於今遼河上游西剌木倫河一帶，所屬分八部。唐時耶律阿保機併合各部，統有今蒙古、東北、熱河、察哈爾、綏遠及河北北部，自號為王，建國號為遼。宋時為金所滅。

英Qidan or Khitan, ethnic group in ancient China, a branch of the Eastern Hu people inhabiting the valley of the Xar Murun River in the upper reaches of the Liao River 遼河[Liao2 He2]

法Khitans

德Kitan (Geo)