Meaning

noun a drug that induces sleep

adjective of or relating to hypnosis

adjective attracting and holding interest as if by a spell

originFrom French hypnotique (“inclined to sleep, soporific”), from Late Latin hypnoticus, from Ancient Greek ὑπνωτικός (hupnōtikós, “inclined to sleep, putting to sleep, sleepy”), from ὑπνοῦν (hupnoûn, “to put to sleep”), from ὕπνος (húpnos, “sleep”).

Etymology from Wiktionary, CC BY-SA 3.0