Meaning

noun a drug that produces numbness or stupor; often taken for pleasure or to reduce pain; extensive use can lead to addiction

adjective of or relating to or designating narcotics

adjective inducing stupor or narcosis

originFrom Middle English narcotyk, from Middle French narcotique (from Old French narcotique, noun use of adjective) and directly from Medieval Latin narcōticum, from Ancient Greek ναρκωτῐκόν (narkōtĭkón), neuter of ναρκωτῐκός (narkōtĭkós), from Ancient Greek ναρκόω (narkóō, “to benumb”), from νάρκη (nárkē, “numbness, torpor”).

Etymology from Wiktionary, CC BY-SA 3.0