ἀλλὰ τί ἦ μοι ταῦτα περὶ δρῦν ἢ περὶ πέτρην → why all this about trees and rocks, why all these things we have nothing to do with
παιδάδελφος, ο (Α)ο νεώτερος αδελφός.[ΕΤΥΜΟΛ. < παῖς, παιδός + ἀδελφός.