mediate
v.
1540s, "divide in two equal parts," probably a back-formation from mediation or mediator, or else from Latin mediatus, past participle of mediare. Meaning "act as a mediator" is from 1610s; that of "settle by mediation" is from 1560s. Related: Mediated, mediates, mediating.
〔蒋〕[medi中间，-ate动词后缀] 居中调解，调停;[-ate形容词后缀，…的] 居间的，介于是中间的
〔李〕[medi=middle中间；-ate v.=to act做→“to act in the middle在中间起作用”→] v. act as a peacemaker between two opposing sides居间调停，调解