exto
From LSJ
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
Latin > English
exto extare, extiti, - V :: stand out or forth, project be visible, exist, be on record
Latin > English (Lewis & Short)
exto: are, v. exsto.
Latin > French (Gaffiot 2016)
extō, v. exsto.
Latin > German (Georges)
exto, s. exsto.