ὀρειάς
From LSJ
Ἀμήχανον δὲ παντὸς ἀνδρὸς ἐκμαθεῖν ψυχήν τε καὶ φρόνημα καὶ γνώμην πρὶν ἂν ἀρχαῖς τε καὶ νόμοισιν ἐντριβὴς φανῇ → It is impossible to know the spirit, thought, and mind of any man before he be versed in sovereignty and the laws
English (LSJ)
άδος, ἡ, (ὄρος) pecul. fem. of ὄρειος,
A of or belonging to mountains, πέτρα ὀ. mountain crag, ib.219.5 (Antip.), cf. Arch.Pap.1.219 (Ptol.). II Oread, mountain-nymph, Bion 1.19, Nonn.D.6.259,19.331.