luge (n.)youdaoicibaDictYouDict[luge 词源字典]
kind of small toboggan, 1905, from French luge "small coasting sled," from Savoy dialect, from Medieval Latin sludia "sled" (9c.), perhaps from a Gaulish word from the same root as English sled, slide.[luge etymology, luge origin, 英语词源]