Cephenes
From LSJ
Ἓν οἶδα, ὅτι οὐδὲν οἶδα → I know only one thing, that I know nothing | all I know is that I know nothing.
Latin > French (Gaffiot 2016)
(2) Cēphēnes,¹⁶ um, m. (Κηφῆνες), Céphènes [peuple de l’Éthiopie] : Ov. M. 5, 97 || Cēphēnus, a, um, des Céphènes : Ov. M. 4, 764.