salsa (n.)youdaoicibaDictYouDict[salsa 词源字典]
kind of sauce, 1846; kind of dance music, 1975, from Spanish, literally "sauce," from Vulgar Latin *salsa "condiment" (see sauce (n.)). In American Spanish especially used of a kind of relish with chopped-up ingredients; the music so called from its blend of Latin jazz and rock styles.[salsa etymology, salsa origin, 英语词源]