δρῦς originally a tree (which indeed comes from the same root), commonly the oak, Lat. quercus, Hom., etc.; sacred to Zeus, who gave his oracles from the oaks of Dodona, Od.; hence, αἱ προσήγοροι δρύες, Aesch.:—proverb οὐ γὰρ ἀπὸ δρυός ἐσσι οὐδʼ ἀπὸ πέτρης thou art no foundling from tree or rock, i.e. you have parents and a country, Od.; οὐ νῦν ἐστιν ἀπὸ δρυὸς οὐδʼ ἀπὸ πέτρης ὀαρίζειν it is no time now to talk at ease from tree or rock, Il.. of other trees, πίειρα δρῦς the resinous wood (of the pine), Soph.; of the olive Eur.. metaph. a worn-out old man, Anth.