irrefutabiliter
From LSJ
πέτρην κοιλαίνει ρανὶς ὕδατος ἐνδελεχείῃ → constant dropping wears away a stone, constant dripping will wear away the hardest stone, little strokes fell big oaks, constant dripping wears the stone, constant dropping wears the stone, constant dripping will wear away a stone
Latin > French (Gaffiot 2016)
irrĕfūtābĭlĭtĕr, irréfutablement : Julian. d. Aug. Imp. Jul. 1, 48.