*kwas- to sweep, clean Proto-Georgian-Zan: Zan: ⇒ Laz: ო-ქოს-უ (o-kos-u), ქოს-უმ-ს (kos-um-s) ⇒ Mingrelian: ქოს-უ-ა (kos-u-a), ქოს-უნ-ს (kos-un-s) ⇒ Svan:...
“bare-rock, rocky place”) Klimov, G. A. (1998) “*kwa-”, in Etymological Dictionary of the Kartvelian Languages (Trends in linguistics. Documentation;...