Khan (Mongolian: хан/khan; Turkish: kağan or hakan; Azerbaijani: xan; Ottoman: han; Old Turkic: ????????????, kaɣan; Chinese: 可汗, kèhán; Goguryeo : 皆, key; Silla: 干, kan; Baekje: 瑕, ke; Manchu: ᡥᠠᠨ, Pashto: خان Urdu: خان, Balochi: خان Hindi: ख़ान; Nepali: खाँ Bengali: খ়ান; Bulgarian: хан, Chuvash: хун, hun) is originally a title for a sovereign or a military ruler, widely used by medieval nomadic Mongolic and later Turkic tribes living to the north of China.