abrogation
Concise Oxford English Dictionary © 2008 Oxford University Press:
abrogate /ˈabrəgeɪt/
▶verb formal repeal or cancel (a law or agreement).
– derivatives
abrogation noun,
abrogator noun.
abrogation noun,
abrogator noun.
– origin C16: from L. abrogat-, abrogare ‘repeal’, from ab- ‘away, from’ + rogare ‘propose a law’.
'abrogation' also found in these Oxford entries:

