μεγάλα ὠφελήσεσθε πρὸς ἱστορίαν τῶν κοινῶν → that will be of great benefit to you in order to understand public affairs
-ή, -ούν / τριπλοῦς, -ῆ, -oῡν, ΝΜΑβλ. τριπλός.