petrosus
From LSJ
νᾶφε καὶ μέμνασο ἀπιστεῖν → keep a clear head and remember not to believe a thing (Epicharmus fr. 250)
Latin > English (Lewis & Short)
petrōsus: a, um, adj. 1. petra,
I full of rocks, rocky (post-Aug.): loca, Plin. 9, 31, 50, § 96.—Subst.: petrōsa, ōrum, n., rocky places: maritima, Plin. 26, 8, 29, § 46; Ambros. Laps. Virg. 7, 29: aliud cecidit super petrosa, Vulg. Marc. 4, 5; id. Matt. 13, 5.
Latin > French (Gaffiot 2016)
pĕtrōsus, a, um (petra), pierreux, rocheux : Plin. 9, 96 || petrosa, pl. n., lieux pierreux, endroits rocailleux, roches : *Plin. 26, 46.