Where does “slāpen” come from?

slāpen (Middle Low German) comes from Old Saxon slapan, from Proto-Germanic *slāpan, from Proto-Germanic slēpaną, from Proto-Indo-European slab- — to be weak, be languid; be weak, limp, languid.

Ancestry of “slāpen”, step by step

StepLanguageWordMeaning
1Old Saxonslapanto sleep
2Proto-Germanic*slāpan—
3Proto-Germanicslēpanąto sleep
4Proto-Indo-Europeanslab-to be weak, be languid; be weak, limp, languid

Words derived from “slāpen”

Every word from Proto-Indo-European slab- →Every word from Proto-Germanic slēpaną →Every word from Proto-Germanic *slāpan →