outrigger (n.)youdaoicibaDictYouDict[outrigger 词源字典]
device used in Pacific and Indian oceans to stabilize canoes, 1748, altered (by influence of rig) from outligger (late 15c.) "a spar projecting from a vessel," probably from the same root as Dutch uitlegger, literally "out-lyer."[outrigger etymology, outrigger origin, 英语词源]