Where does “pr̥-” come from?

pr̥- (Proto-Indo-European) comes from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

Ancestry of “pr̥-”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeanper-before, in front; first; to go through
2Proto-Indo-Europeanpr̥tóspassed , crossed

Words derived from “pr̥-”

Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →
pr̥- — Etymology, Origin & Word History | Etymology Explorer