circa 1658, in the meaning defined above
borrowed from French, going back to Middle French, "foolishness, stupidity," from badiner "to banter, jest, play the fool" (verbal derivative of badin "silly, foolish," as noun, "fool, simpleton," borrowed from Occitan, from badar "to have the mouth wide open, gape"—going back to Vulgar Latin *batāre, perhaps of imitative origin—+ -in, adjective suffix) + -age -age