δυσκαταμαθήτως
From LSJ
κοινὴ γὰρ ἡ τύχη καὶ τὸ μέλλον ἀόρατον → fortune is common to all, the future is unknown | fortune is common to all and the future unknown | fate is common to all and the future unknown
French (Bailly abrégé)
adv.
de manière à être difficilement compris.
Étymologie: δυσκαταμάθητος.
Russian (Dvoretsky)
δυσκαταμαθήτως: с трудом усваивая: δ. ἔχειν Isocr. плохо понимать.