ποταμῷ γὰρ οὐκ ἔστιν ἐμβῆναι δὶς τῷ αὐτῷ → it is impossible to step twice in the same river, you cannot step twice into the same rivers
alvĕātus: a, um, adj. id.,
I hollowed out like a trough or tray: sulcus, Cato, R. R. 43, 1 Schneid.
alvĕātus,¹⁶ a, um (alveus), creusé en forme d’alvéole : Cato Agr. 43, 1.