transgression Look up transgression at Dictionary.com
early 15c., from O.Fr. transgression (12c.), from L.L. transgressionem (nom. transgressio) "a transgression of the law," from L. "a going over," from transgressus, pp. of transgredi "go beyond," from trans- "across" + gradi (pp. gressus) "to walk, go" (see grade). The verb transgress is recorded from 1520s. Related: Transgressor (late 14c.).