subcontract (n.)youdaoicibaDictYouDict[subcontract 词源字典]
also sub-contract, "contract for carrying out all or part of a previous contract," 1817, from sub- + contract (n.). As a verb from 1828 (in Shakespeare it means "be betrothed again"). Related: Subcontracted; subcontracting.[subcontract etymology, subcontract origin, 英语词源]