词根：-oper-

【词根含义】：工作

【词根来源】：来源于拉丁语op.us, oper.is, n(工作)及其派生词operari(工作)。

【同源单词】：cooperate, cooperation, cooperative, opera, operable

词根词缀：oper-, opus

【来源及含义】Latin: work

【相关词根词缀】 Cross references related to "work, toil" word families: argo-; ergasio-; ergo-; labor-; pono-; urg-.

【同源单词】co-operate, co-operation, co-operative, co-operativeness, ignioperation, inoperable