Leviticus 15:28

Ἐὰν δὲ καθαρισθῇ ἀπὸ τῆς ῥύσεως, καὶ ἐξαριθμήσεται αὐτῇ ἑπτὰ ἡμέρας, καὶ μετὰ ταῦτα καθαρισθήσεται.