Disco
来自Big Physics
1950s: abbreviation of discotheque.
wiktionary
From a shortening of discotheque, from French discothèque.
etymonline
disco (n.)
1964, American English shortening of discotheque; sense extended by 1972 to the kind of dance music played there and the subculture of urban night-clubs built around it in the 1970s. As an adjective by 1965.
