abrogate — ODE

abrogate /ˈabrəɡeɪt

▸ verb [with object] formal

1 repeal or do away with (a law, right, or formal agreement):

a proposal to abrogate temporarily the right to strike.

2 evade (a responsibility or duty):

we believe the board is abrogating its responsibilities to its shareholders.

– DERIVATIVES

abrogator /ˈabrəɡeɪtə

/ noun

The verbs abrogate and arrogate are quite different in meaning. 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’.

– ORIGIN early 16th century: from Latin abrogat- ‘repealed’, from the verb abrogare, from ab- ‘away, from’ + rogare ‘propose a law’.