Where does “hypno-” come from?
hypno- (English) 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.
hypno- (English): sleep; hypnosis
Ancestry of “hypno-”, step by step
Words derived from “hypno-”