mesonyctius

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

mĕsŏnyctĭus, a, um, adj., μεσονύκτιος,

of midnight : afflatus, Isid. 5, 30, 4.— Hence, subst.: † mĕsŏnyctĭum , ii, n., = μεσονύκτιον, midnight (post-class.): CVIVS MESONYCTIVM FACTVM EST V. ID. DEC., i. e. midnight apparition , Inscr. Mur. 333.