- jettison
- 1425 (n.) "act of throwing overboard," from Anglo-Fr. getteson, from O.Fr. getaison "act of throwing (goods overboard)," especially to lighten a ship in distress, from L.L. jactionem (nom. jactatio), from jactatus, pp. of jectare "toss about" (see jet (v.)). The verb is first attested 1848.