πετρώδης
From LSJ
Ἔργων πονηρῶν χεῖρ' ἐλευθέραν ἔχε → Mali facinoris liberam serva manum → Von schlechten Taten halte deine Hände frei
English (LSJ)
ες,
A like rock or stone, rocky, stony, π. κατῶρυξ, of a grave, S.Ant.774, cf. Porph.Antr.9; of ground, Hp.Aër.1; γεηρὰ καὶ πετρώδη καὶ ἄγρια Pl.R.612a; ἐν τοῖς τραχέσι καὶ πετρώδεσι Arist.HA549b14; τὸ π. BMus.Inscr.3.407.8 (Priene); ἄνθρωποι π. καὶ δενδρώδεις Heraclit.Incred.23; π. κεφαλή Philum.Ven.15.4.
German (Pape)
[Seite 606] ες, felsen-, steinähnlich, felsig, steinig, wie πετραῖος; δεσμός, Soph. Ant. 948, vgl. 770; καὶ γεήρης, Plat. Rep. X, 612 a; Sp., wie N. T., Plut. Sull. 16.