The article deals with the origin of tribal name Coŋgōl or Tsongool, in other orthography. It also known as Soŋgōl Songool Buryat pronunciation, where Written Mongolian [č] developed into [s] through step [ts] position before a vowel than [i]. We argue connection word ethnic Čuŋul ~ Čumul, attested different spelling forms Chinese, Old Turkic, Khotanese Saka and Persian texts, history Eastern T...