Where does “Hüpnosz” come from?
Hüpnosz (Hungarian) comes from Ancient Greek Ὕπνος, from Proto-Hellenic húpnos, from Proto-Indo-European supnós, from Proto-Indo-European swóp-r̥ ~ swép-n̥s, from Proto-Indo-European swep- — to sleep.
Ancestry of “Hüpnosz”, step by step