LXX Num 5:19

καὶ ὁρκιεῖ αὐτὴν ὁ ἱερεὺς καὶ ἐρεῖ τῆ γυναικί Εἰ μὴ κεκοίμηταί τις μετὰ σοῦ, εἰ μὴ παραβέβηκας μιανθῆναι ὑπὸ τὸν ἄνδρα τὸν σεαυτῆς, ἀθῴα ἴσθι ἀπὸ τοῦ ὕδατος τοῦ ἐλεγμοῦ τοῦ ἐπικαταρωμένου τούτου.

And he is to put the woman under oath and say to her, ‘If no other man has slept with you and you have not gone astray and become defiled while under your husband’s authority, may you be immune to this bitter water that brings a curse.