The Proto-Kartvelian word Ʒ₁u-
Word Ʒ₁u-
Meaning tail
Synonyms ḳ̣ud, ḳwad-

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

Other words that might be of interest
berq ‘leg, step’, dud ‘tip, top, head’, gul ‘heart, core’, ḳ̣uṭu ‘boy, penis’, loḳ- ‘to lick’, mḳ̣erd ‘breast, chest’, nena ‘tongue, word, language’, pol- ‘hoof, leg’, prcxa ‘nail, claw’, qe ‘hand, arm’, q̣le ‘penis’, q̇wer ‘testicle’, q̣wiʓ₁ ‘to raise, wake, be awake’, šubl ‘forehead, front part’, taw ‘head’, twal ‘eye’, txem- ‘head, top’, zisxl ‘blood’