exotericus

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

exōtĕrĭcus, a, um, adj., = ἐξωτερικός,

external , exoteric : libri (opp. acroatici), Gell. 20, 5, 2 (in Cic. Fin. 5, 5, written as Greek).