Where does “húpnos” come from?

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

Ancestry of “húpnos”, step by step

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

Words derived from “húpnos”

Every word from Proto-Indo-European swep- →Every word from Proto-Indo-European swóp-r̥ ~ swép-n̥s →Every word from Proto-Indo-European supnós →