The Proto-Kartvelian word prcxa
Word prcxa
Meaning nail, claw

Comments
G. A. Klimov, Kartvelian, 1998 Walter de Gruyter

Other words that might be of interest
arƷ₁- ‘to bend, bent’, berg ‘strike, to break’, berq ‘leg, step’, dud ‘tip, top, head’, gul ‘heart, core’, k(a)m- ‘to do, make’, ḳ̣ed ‘to build, construct’, ḳ̣ud ‘tail’, ḳ̣uṭu ‘boy, penis’, ḳwad- ‘tail’, kwec ‘to cut’, loḳ- ‘to lick’, mḳ̣erd ‘breast, chest’, nena ‘tongue, word, language’, pol- ‘hoof, leg’, qe ‘hand, arm’, q̣le ‘penis’, q̇wer ‘testicle’, q̣wiʓ₁ ‘to raise, wake, be awake’, r(e)c₁x- ‘to wash’, šubl ‘forehead, front part’, taw ‘head’, ṭḳec₁- ‘to hit, beat, to strike’, twal ‘eye’, txem- ‘head, top’, xep ‘to break, smash’, zisxl ‘blood’, Ʒ₁u- ‘tail’, γun- ‘to bend’, γwel ‘to bend, curve’