Inherited from Proto-Turkic *sekiŕ. Cognates Cognate with Old Turkic 𐰾𐰚𐰔 (s²kz /⁠sekiz⁠/), Azerbaijani and Khalaj səkkiz, Turkish and Crimean Tatar sekiz, Uzbek sakkiz, Uyghur [Term?], Kazakh сегіз (segız), and Chuvash [Term?].