Parallel
Numbers 31:18
Swete's Septuagint · Berean Standard Bible
πᾶσαν τὴν ἀπαρτίαν τῶν γυναικῶν ἥτις οὐκ οἶδεν κοίτην ἄρσενος, ζωγρήσατε αὐτάς.
but spare for yourselves every girl who has never had relations with a man.