Where does “lap” come from?

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

Ancestry of “lap”, step by step

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

Words derived from “lap

Every word from Proto-Indo-European leb-Every word from Proto-Germanic lappa-