1660s, "derisive imitation, grotesque parody," from Fr. burlesque (16c.), from It. burlesco, from burla "joke, fun, mockery," possibly ultimately from L.L. burra "trifle, nonsense," lit. "flock of wool." Modern sense of "variety show featuring striptease" is Amer.Eng., 1870. Originally (1857) "the sketches at the end of minstrel shows." As a verb, from 1670s.