καινίτα
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
English (LSJ)
ἀδελφή, and καινίτας· ἀδελφοὺς καὶ ἀδελφάς, Hsch. (For καἱνίτα, -ίτας, i.e. κασιγνήτα, -ήτας.)
German (Pape)
[Seite 1294] ἡ, u. καινίτης, ὁ, nach Hesych. Schwester, Bruder.