Comments:Дыбо 9, Лексика 172, Whitman 1985, 183, 222. Kor. has an irregular low tone. The root is onomatopeic and the medial consonant behaves irregularly in TM (various assimilations are attested). In Turkic the root could additionally contaminate with *ki̯òpù q. v. The Altaic antiquity is, however, beyond doubt.