self-sacrifice

Từ điển WordNet v3.1 - WordNet Dictionary

noun

acting with less concern for yourself than for the success of the joint activity (Freq. 1)
• Syn:
selflessness
• Derivationally related forms:
selfless (for: selflessness)
• Hypernyms:
cooperation
• Hyponyms:
abnegation, self-abnegation, denial, self-denial, self-renunciation