Dumpster (n.)youdaoicibaDictYouDict[Dumpster 词源字典]
1930s, from Dempster-Dumpster trash-hauling mechanism, patented by Dempster Brothers and probably named from dump (v.) with the surname in mind. Dumpster diving attested from 1979.[Dumpster etymology, Dumpster origin, 英语词源]