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
ŏbīrātus, a, um, part. de obirascor, irrité contre [dat.] : Liv. 1, 31, 3 ; 42, 10, 15 [conjecture de Gronovius] ; Sen. Ep. 56, 9.
obīrātus, a, um, s. ob-īrāscor.