product (n.)youdaoicibaDictYouDict[product 词源字典]
early 15c., "mathematical quantity obtained by multiplication," from Medieval Latin productum, in classical Latin "something produced," noun use of neuter past participle of producere "bring forth" (see produce (v.)). General sense of "anything produced" is attested in English from 1570s.[product etymology, product origin, 英语词源]