Monomania

Monomania
Portrait of a woman titled Monomania of Envy by Théodore Géricault[1]
Specialty	Psychiatry

In 19th-century psychiatry, monomania (from Greek monos, "one", and mania, meaning "madness" or "frenzy") was a form of partial insanity conceived as single psychological obsession in an otherwise sound mind.^{[2]: 155 [3]: 26}