1. Abrogate v. to annul or repeal a law or pass legislation that contradicts the prior law. Abrogate also applies to revoking or withdrawing conditions of a contract.

2. While Abrogate means ‘repeal (a law),’ arrogate means ‘take or claim (something) for oneself without justification,’ often in the structure arrogate something to oneself, as in the emergency committee arrogated to itself whatever powers it chose

3. Abrogate (v.) "abolish by authoritative act, repeal," 1520s, from Latin abrogatus, past participle of abrogare "to annul, repeal (a law)," from ab "off, away from" (see ab-) + rogare "propose (a law), ask, request," apparently a figurative use of a PIE verb meaning literally "to stretch out (the hand)," from root *reg-"move in a straight line." Form abrogen, from Old French abroger, is