Februus
From LSJ
τὰ πρὸ Εὐκλείδου ἐξετάζειν → investigate what happened before the flood, investigate what happened in the distant past, investigate what happened before Euclid, investigate what happened before the year of Euclid
Latin > French (Gaffiot 2016)
Fĕbrŭus, ī, m., dieu infernal : [chez les Étrusques] : Macr. Sat. 1, 13, 3 ; Serv. Georg. 143.