ceraunia

From LSJ

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

Source

Latin > English (Lewis & Short)

cĕraunĭa: v. ceronia.

Latin > French (Gaffiot 2016)

(1) cĕraunĭa, æ, f., pierre précieuse couleur de l’éclair : Plin. 37, 134.

Spanish > Greek

βαίτυλος