erotomania

Meanings

1. A psychological disorder in which a person has a delusion of a romantic relationship with another person.
2. Excessive sexual inclination or desire.

Etymology

From late 19th century. From Ancient Greek ἐρωτικός (erōtikós, “related to love”), which is from ἔρως (érōs, “passionate or sexual love”); eroto- + -mania.