Where does “swópno-” come from?

swópno- (Proto-Indo-European) comes from Proto-Indo-European swep- — to sleep.

Ancestry of “swópno-”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeanswep-to sleep

Words derived from “swópno-

Every word from Proto-Indo-European swep-
swópno- — Etymology, Origin & Word History | Etymology Explorer