Turkish kaş

← Ottoman Turkish قاش (inherited)

← Proto-Turkic *k(i)āĺ (inherited)

→ Azerbaijani qaş (cognate)

→ Bashkir ҡаш (cognate)

→ Crimean Tatar qaş (cognate)

→ Khakas кас (cognate)

→ Kumyk къаш (cognate)

→ Kyrgyz каш (cognate)

→ Yakut хаас (cognate)

→ Turkish kaşlı (affix)