Where does “kray-” come from?

kray- (Proto-Indo-Iranian) comes from Proto-Indo-European kʷreyh₂- — to buy.

Ancestry of “kray-”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeankʷreyh₂-to buy

Words derived from “kray-

Every word from Proto-Indo-European kʷreyh₂-
kray- — Etymology, Origin & Word History | Etymology Explorer