From Proto-Turkic *üki (“Bubo bubo”).
Cognate with Kazakh үкі (ükı), Kyrgyz үкү (ükü), Southern Altai ӱкӱ (ükü), Uzbek ukki, Uyghur ئۇكە (uke), Khakas ӱгӱ (ügü), Shor ӱгӱ (ügü), Tuvan үгү (ügü, “Bubo bubo”).
өкө • (ökö)