Περὶ ῥημάτων

ὥϲπερ τὸ κρῆναι ἀπὸ διϲυλλάβου τοῦ κραίνω καὶ τὸ μιῆναι ἀπὸ τοῦ μιαίνω, οὕτω καθ’ Ἡρωδιανὸν καὶ τὸ κυδῆναι ἐκ τοῦ κυδαίνω, εἰ καὶ κυδᾶναι, φηϲί, καθ’ ἡμᾶϲ λέγεται ὡϲ καὶ κερδᾶναι.