abnegation

 
Pronunciation: /abnɪˈgeɪʃ(ə)n/

noun

[mass noun]
  • the action of renouncing or rejecting something: abnegation of political power
  • self-denial: people are capable of abnegation and unselfishness

Origin:

Middle English: from Latin abnegatio(n-), from the verb abnegare (see abnegate)