- overboard (adv.)
[overboard 词源字典]
- "over the side of a ship," Old English ofor bord, from over + bord "side of a ship" (see board (n.2)). Figurative sense of "excessively, beyond one's means" (especially in phrase go overboard) first attested 1931 in Damon Runyon.[overboard etymology, overboard origin, 英语词源]