Where does “ōpn-” come from?

ōpn- (Proto-Indo-European) comes from Proto-Indo-European ōp- — to achieve.

Ancestry of “ōpn-”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeanōp-to achieve

Words derived from “ōpn-

Every word from Proto-Indo-European ōp-