Parallel
Genesis 42:23
Swete's Septuagint · Berean Standard Bible
αὐτοὶ δὲ οὐκ ᾔδεισαν ὅτι ἀκούει Ἰωσήφ, ὁ γὰρ ἑρμηνευτὴς ἀνὰ μέσον αὐτῶν
They did not realize that Joseph understood them, since there was an interpreter between them.