Where does “svebn” come from?

svebn (Norwegian Nynorsk) comes from Old Norse svefn, from Proto-Germanic swefnaz, from Proto-Indo-European swépnos, from Proto-Indo-European swopnos, from Proto-Indo-European swep- — to sleep.

Ancestry of “svebn”, step by step

StepLanguageWordMeaning
1Old Norsesvefnsleep
2Proto-Germanicswefnazsleep
3Proto-Indo-Europeanswépnossleep, slumber
4Proto-Indo-Europeanswopnosdream
5Proto-Indo-Europeanswep-to sleep
Every word from Proto-Indo-European swep-Every word from Proto-Indo-European swopnosEvery word from Proto-Indo-European swépnos