1650s, from French érotique (16c.), from Greek erotikos "caused by passionate love, referring to love," from eros (genitive erotos) "sexual love" (see Eros). Earlier form was erotical (1620s).
-eroo
Eros
erose
erosion
erosive
erotic
erotica
eroticism
eroticize
erotomania
erotomaniac