I / inter-mundĭa
noun

inter-mundĭa

gen. inter-mundiōrum · gender neuter · decl. 2nd
plur. [mundus]
spaces between the worlds
spaces between the worlds, in which, acc. to Epicurus, the gods reside, Cic. Fin. 2, 23, 75; cf. id. Div. 2, 17, 40: id. N. D. 1, 8, 18.