The Proto-Kartvelian word γun-
Word γun-
Meaning to bend
Synonyms arƷ₁-, γwel

Heinz Fähnrich, Surab Sardshweladse: Etymologisches Woerterbuch der Kartwel-Sprachen, 1995 Brill

Other words that might be of interest
berg ‘strike, to break’, k(a)m- ‘to do, make’, ḳ̣ed ‘to build, construct’, kwec ‘to cut’, prcxa ‘nail, claw’, r(e)c₁x- ‘to wash’, ṭḳec₁- ‘to hit, beat, to strike’, xep ‘to break, smash’