Reference for Ezekiel 39:12

וּקְבָרוּם֙ בֵּ֣ית יִשְׂרָאֵ֔ל לְמַ֖עַן טַהֵ֣ר אֶת־הָאָ֑רֶץ שִׁבְעָ֖ה חֳדָשִֽׁים׃

And seven months shall the house of Israel be burying them, that they may cleanse the land.

BDB

BDB