The Tocharian B word yuk-
Word yuk-
j u k
IPA juk
Meaning conquer

Comments
Douglas Q. Adams, “Etymological Dictionary of Tocharian B”, 1999, Brill

Other words that might be of interest
weta ‘battle’, kokale ‘cart, chariot’, kokaletstse ‘carter, charioteer’, sāṃ ‘enemy’, apsāl ‘sword’, wetāu ‘warrior’