וּמִֽמַּחֲצִ֖ית בְּנֵ֣י יִשְׂרָאֵ֑ל אֲשֶׁר֙ חָצָ֣ה מֹשֶׁ֔ה מִן־הָאֲנָשִׁ֖ים הַצֹּבְאִֽים׃
And of the children of Israel’s half, which Moses divided off from the men that warred—
Read kabbalistic (mystical) interpretation of Numbers 31:42: and classical mystical sources.