obreptivus

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

obreptīvus, a, um, adj. [obrepo],

secret, clandestine (post-class.): supplicatio, Symm. Ep. 5, 64; Cod. Th. 16, 10, 8.—Hence, adv.: obreptīvē , surreptitiously, clandestinely (post-class.): aut clanculo supplicare, Cod. Th. 16, 1, 4 fin.