abstract:Tengri (Old Turkic: ; Modern Turkish: Tanrı; Proto-Turkic *teŋri / *taŋrɨ; Mongolian script: , Tngri; Modern Mongolian: Тэнгэр, Tenger), is one of the names for the primary chief deity in the religion of the early Turkic (Xiongnu, Hunnic, Bulgar) and Mongolic (Xianbei) peoples.