noun Date: 1649 a concern for one's own advantage and well-being , one's own interest or advantage , ~ed adjective ~edly adverb ~edness noun
SELF-INTEREST
Meaning of SELF-INTEREST in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012