Assertion: altruism | /r/HasProperty | introduced as antonym
Facets:
value: for "egoism"
type: TRANSITIVE-OBJECT
Source sentences:
text: Derived from the Italian word altrui, meaning "to others" or "of others," "altruism" was introduced as an antonym for "egoism" to refer to the totality of other-regarding instincts in humans.