discredo

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

dis-crēdo, dĭdi, dĭtum, 3,

v. a., to be incredulous towards, not to believe (late Lat.), Jul. Val. Res Gest. Alex. M. 3, 58 Mai.; Commod. praef. 3, al.