Poly (Greek, "Multiple") Amor (Latin, "Love")
The language of love morphs when you're working outside monogamy
“Compersion.” It's a word that describes happiness at seeing a partner get joy from someone else—almost the opposite of jealousy. Monogamous lovers might hesitate to imagine feeling anything aside from anger at the sight of their other half being loved by someone else. But compersion is a kind of fulfillment gained by the polyamorous, those who maintain honest, committed romantic relationships with more than one person.