nae
From LSJ
μεγάλα ὠφελήσεσθε πρὸς ἱστορίαν τῶν κοινῶν → that will be of great benefit to you in order to understand public affairs
Latin > English
nae ADV :: truely, indeed, verily, assuredly; (particle of assurance); (w/personal PRON)
Latin > English (Lewis & Short)
nae: vulgar form for nē (v. 3. ne), particle of assurance,
I verily, truly.
Latin > French (Gaffiot 2016)
næ, forme vulgaire pour nē 1.
Latin > German (Georges)
nae, Adv., s. 1. nē.