incolumitas
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 (Lewis & Short)
incŏlŭmĭtas: ātis, f. incolumis,
I good condition, soundness, safety (class.): incolumitas est salutis tuta atque integra conservatio, Cic. Inv. 2, 56, 169: in incolumitate, id. Post Red. ad Quir. 1, 3: concordi populo et omnia referenti ad incolumitatem et ad libertatem suam, id. Rep. 1, 32; cf.: incolumitatem ac libertatem retinere, id. Inv. 2, 56, 168: deditis pollicebatur, Caes. B. C. 3, 28, 2: mundi, Cic. N. D. 2, 46 fin.— In <number opt="n">plur.</number>, Cic. Deiot. 14, 40; Arn. 2, 52.