A lot vs. Alot: 9 Grammatical Pitfalls
1620s (implied in erotical), from French érotique (16c.), from Greek erotikos "caused by passionate love, referring to love," from eros (genitive erotos) "sexual love" (see Eros).
erotic e·rot·ic (ĭ-rŏt'ĭk)adj.
Of or concerning sexual love and desire.
Tending to arouse sexual desire.
Dominated by sexual love or desire.