deprave (v.)youdaoicibaDictYouDict[deprave 词源字典]
late 14c., "corrupt, lead astray, pervert," from Old French depraver (14c.) or directly from Latin depravare "distort, disfigure;" figuratively "to pervert, seduce, corrupt," from de- "completely" (see de-) + pravus "crooked." Related: Depraved; depraving.[deprave etymology, deprave origin, 英语词源]