Where does “lap-” come from?

lap- (Proto-Iranian) comes from Proto-Indo-Iranian lap-, from Proto-Indo-European leb- — to hang down loosely; lip; lick.

Ancestry of “lap-”, step by step

StepLanguageWordMeaning
1Proto-Indo-Iranianlap-—
2Proto-Indo-Europeanleb-to hang down loosely; lip; lick

Words derived from “lap-”

Every word from Proto-Indo-European leb- →Every word from Proto-Indo-Iranian lap- →