arbitrario
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 > English
arbitrario ADV :: thoughtfully
Latin > English (Lewis & Short)
arbī̆trārĭō: adv., v. arbitrarius.
Latin > French (Gaffiot 2016)
arbitrārĭō, d’une façon douteuse : Pl. Pœn. 787.
Latin > German (Georges)
arbitrāriō, Adv. (arbitrarius), nach willkürlicher Annahme, vermutlich (Ggstz. certo), Plaut. Poen. 787.