litterosus
From LSJ
Φιλοσοφίαν δὲ τὴν μὲν κατὰ φύσιν, ὦ Βασιλεῦ, ἐπαίνει καὶ ἀσπάζου, τὴν δέ θεοκλυτεῖν φάσκουσαν παραίτου. → Praise and revere, O King, the philosophy that accords with nature, and avoid that which pretends to invoke the gods. (Philostratus, Ap. 5.37)
Latin > English (Lewis & Short)
littĕrōsus: (lītĕr-), a, um, adj. id.,
I literary, learned in letters: homo mere litterosus, Cass. Hem. ap. Non. 133, 6.
Latin > French (Gaffiot 2016)
littĕrōsus, a, um, lettré : Hemin. d. Non. 133, 5.