oluk

gutter; hollowed-out tree trunk

Proto-Turkic: *oluk
Altaic etymology: Altaic etymology
Proto-Altaic: *i̯ùlò
Nostratic: Nostratic
Russian meaning: желоб; выдолбленный древесный ствол
Turkic: *oluk
Mongolian: *(h)olugaj
Tungus-Manchu: *ül-
Japanese: *ùruà
Comments: EDT 136-137, ЭСТЯ 1, 451, Мудрак Дисс. 125, 131, Ашм. V, 263, Федотов 1, 99, 130. There also exists a similar - but originally different - form *og(u)l-, *ogluk, reflected in Chag. oɣluq, Tur. dial., Gag. holluq, Chuv. valak, Yak. (Пек.) uoluk, uol-ba, with natural contaminations.
Karakhanid: oluq (MK)
Turkish: oluk
Tatar: ulaq
Middle Turkic: oluq (IM, AH)
Uighur: olaq
Chuvash: volъ 'tree-trunk'
Noghai: olɨq
Bashkir: ulaq
Karaim: oluq