Ismaricus
From LSJ
εἰς πέλαγος σπέρµα βαλεῖν καὶ γράµµατα γράψαι ἀµφότερος µόχθος τε κενὸς καὶ πρᾶξις ἄκαρπος → throwing seeds and writing letters at sea are both a vain and fruitless endeavor
Latin > French (Gaffiot 2016)
Ismărĭcus¹³ et Ismărĭus, a, um, de l’Ismarus, de Thrace : Avien. Perieg. 33 || Ov. M. 9, 642 ; 10, 305.