Where does “pr̥tʰ-” come from?

pr̥tʰ- (Proto-Indo-European) comes from Proto-Indo-European sp(ʰ)erd(ʰ)- — to rush; to spring; running.

Ancestry of “pr̥tʰ-”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeansp(ʰ)erd(ʰ)-to rush; to spring; running

Words derived from “pr̥tʰ-

Every word from Proto-Indo-European sp(ʰ)erd(ʰ)-