Tengri

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

Worship of Tengri is Tengrism. The core beings in Tengrism are Sky-Father (Tengri/Tenger Etseg) and Earth Mother (Eje/Gazar Eej). It involves shamanism, animism, totemism and ancestor worship.

Name

The oldest form of the name is recorded in Chinese annals from the 4th century BC, describing the beliefs of the Xiongnu. It takes the form 撑犁/Cheng-li, which is hypothesized to be a Chinese transcription of Tängri. (The Proto-Turkic form of the word has been reconstructed as *Teŋri or *Taŋrɨ.) Alternatively, a reconstructed Altaic etymology from *T`aŋgiri ("oath" or "god") would emphasize the god's divinity rather than his domain over the sky.

The Turkic form, Tengri, is attested in the 11th century by Mahmud al-Kashgari. In modern Turkish, the derived word "Tanrı" is used as the generic word for "god", or for the Abrahamic God, and is used today by Turkish people to refer to God. The supreme deity of the traditional religion of the Chuvash is Tură.