τετάφαται

From LSJ

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

Source

French (Bailly abrégé)

3ᵉ pl. pf. Pass. ion. de θάπτω.