Where does “təpʰ-” come from?

təpʰ- (Proto-Indo-European) comes from Proto-Indo-European stepʰ-, from Proto-Indo-European stebʰ- — to stand still; to harden.

Ancestry of “təpʰ-”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeanstepʰ-
2Proto-Indo-Europeanstebʰ-to stand still; to harden

Words derived from “təpʰ-

Every word from Proto-Indo-European stebʰ-Every word from Proto-Indo-European stepʰ-