I / incŭbo
noun

incŭbo

gen. incŭbōnis · gender masculine · decl. 3rd
one who lies upon
one who lies upon any thing.
A spirit that watches over buried treasures
A spirit that watches over buried treasures (post-class.): cum modo incuboni pileum rapuisset, thesaurum invenit, Petr. Fragm. Trag. 38, 8.—
The nightmare
The nightmare, incubus (post-class.): ab incubone deludi, Scrib. Comp. 100: de incubone praesumptio, Tert. Anim. 44.