ἠγνόησα

From LSJ

αὐτὸν κέκρουκας τὸν βατῆρα τοῦ λόγου → you have struck the very threshold of the argument, you have struck the most important and chiefmost point

Source

French (Bailly abrégé)

épq. ἠγνοίησα;
ao. de ἀγνοέω.