1970, proprietary name of a rocket-propelled short-range guided missile, trademarked 1970 by Société Nationale Industrielle Aerospatiale, from French exocet "flying fish" (16c.), from Latin exocoetus, from Greek exokoitos "sleeping fish, fish that sleeps upon the beach," from exo "outside" (see exo-) + koitos "bed."[Exocet etymology, Exocet origin, 英语词源]