intervene
v.
1580s, back-formation from intervention, or else from Latin intervenire "to come between, intervene, interrupt," from inter "between" (see inter-) + venire "to come" (see venue). Related: Intervened; intervening.
〔蒋〕[inter-之间，中间，ven来;’来到其间”→介入其中] 干预，干涉，介入
〔李〕[inter-=between在……之间；ven=to come来；-e→] v. come between; be between 干涉；介入