Where does “slap” come from?

slap (Middle Low German) comes from Old Saxon slap, from Proto-West Germanic slāp, from Proto-Germanic slēpaz — sleep.

Ancestry of “slap”, step by step

slap traces back through two separate lines of ancestry.

via Old Saxon slap

StepLanguageWordMeaning
1Old Saxonslapsleep
2Proto-West Germanicslāpsleep
3Proto-Germanicslēpazsleep

via Proto-Germanic slap-

StepLanguageWordMeaning
1Proto-Germanicslap-—
2Proto-Indo-European(s)leh₂b-to hang loosely, be weak; to be weak, limp,...

Words derived from “slap”

Every word from Proto-Germanic slēpaz →Every word from Proto-West Germanic slāp →Every word from Old Saxon slap →
slap — Etymology, Origin & Word History | Etymology Explorer