Yours, Etc.: Origins and Uses of 8 Sign-Offs
1820, noun use of neuter plural of Greek erotikos "amatory" (see erotic); originally a booksellers' catalogue heading.
And with a Blonde push
Over your impotence
[Emily Dickinson, #854, c.1864]
literary or artistic works having an erotic theme; especially, books treating of sexual love in a sensuous or voluptuous manner. The word erotica typically applies to works in which the sexual element is regarded as part of the larger aesthetic aspect. It is usually distinguished from pornography, which can also have literary merit but which is usually understood to have sexual arousal as its main purpose.