1740, an instruction in musical scores, from Italian segue, literally "now follows," meaning to play into the following movement without a break, third person singular of seguire "to follow," from Latin sequi "to follow," from PIE *sekw- (1) "to follow" (see sequel). Extended noun sense of "transition without a break" is from 1937; the verb in this sense is first recorded 1958.[segue etymology, segue origin, 英语词源]