incriminate (v.) Look up incriminate at Dictionary.com
1730, back-formation from incrimination or else from Medieval Latin incriminatus, past participle of incriminare "to incriminate," from in- "in" (see in- (2)) + criminare "to accuse of a crime," from crimen (genitive criminis) "crime" (see crime). Related: Incriminated; incriminating.