ἔπληξα

From LSJ

μεγάλα ὠφελήσεσθε πρὸς ἱστορίαν τῶν κοινῶν → that will be of great benefit to you in order to understand public affairs

Source

French (Bailly abrégé)

ao. de πλήσσω.

Russian (Dvoretsky)

ἔπληξα: aor. pass. к πλήσσω.