abnegation
Concise Oxford English Dictionary © 2008 Oxford University Press:
abnegate /ˈabnɪgeɪt/
▶verb formal renounce or reject (something desired or valuable).
– derivatives
abnegation noun,
abnegator noun.
abnegation noun,
abnegator noun.
– origin C17 (earlier (ME) as abnegation): from L. abnegat-, abnegare ‘renounce’, from ab- ‘away, off’ + negare ‘deny’.
'abnegation' also found in these Oxford entries:

