From Proto-Turkic *tāj- (“to slide”). Cognate with Bashkir тайғаҡ (tayğaq), Kyrgyz тайгак (taygak), Uzbek toygʻoq, Uyghur تايغاق (tayghaq, “slippery”), Tuvan тайгак (taygak, “slippery place”), etc.
тайғақ • (taiğaq)