myEtymology.com: Greek etymology of xenon

Etymology of the Greek word xenon (ξένον)

the Greek word xenon, ξένον

derived from the Greek word xenos, ξένος (foreign (literally, alien, or figuratively, novel); by implication, a guest or (vice-versa) entertainer)

derived from the Proto-Indo-European root *ghos-ti-

English xenon, French xénon, Latin xenon