Eros (n.)

god of love, late 14c., from Greek eros (plural erotes), "god or personification of love," literally "love," from eran "to love," erasthai "to love, desire," which is of uncertain origin.

Freudian sense of "urge to self-preservation and sexual pleasure" is from 1922. Ancient Greek distinguished four ways of love: erao "to be in love with, to desire passionately or sexually;" phileo "have affection for;" agapao "have regard for, be contented with;" and stergo, used especially of the love of parents and children or a ruler and his subjects.

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Definitions of Eros from WordNet
eros (n.)
a desire for sexual intimacy;
Synonyms: sexual desire / concupiscence / physical attraction
Eros (n.)
(Greek mythology) god of love; son of Aphrodite; identified with Roman Cupid;