ἀγαθοὶ δὲ ἐγένοντο διὰ τὸ φῦναι ἐξ ἀγαθῶν → they were virtuous because they were sprung from virtuous men, virtuous they were because they were sprung from men of virtue
δηκτήρ, αὐτοδακής, δακνώδης, δηκτικός, δήκτης