Where does “ὕπνος” come from?

ὕπνος (Ancient Greek) comes from Proto-Hellenic húpnos, from Proto-Indo-European supnós, from Proto-Indo-European swóp-r̥ ~ swép-n̥s, from Proto-Indo-European swep- — to sleep.

ὕπνος (Ancient Greek): sleep; death

Definitions

  1. sleep; death

Ancestry of “ὕπνος”, step by step

ὕπνος traces back through two separate lines of ancestry.

via Proto-Hellenic húpnos

StepLanguageWordMeaning
1Proto-Hellenichúpnos
2Proto-Indo-Europeansupnóssleep; death
3Proto-Indo-Europeanswóp-r̥ ~ swép-n̥s
4Proto-Indo-Europeanswep-to sleep

via Proto-Indo-European swépnos

StepLanguageWordMeaning
1Proto-Indo-Europeanswépnossleep, slumber
2Proto-Indo-Europeanswopnosdream

Words derived from “ὕπνος

Every word from Proto-Indo-European swep-Every word from Proto-Indo-European swóp-r̥ ~ swép-n̥sEvery word from Proto-Indo-European supnós
ὕπνος — Etymology, Origin & Word History | Etymology Explorer