כִּ֣י שֵׁ֧שֶׁת חֳדָשִׁ֛ים יָֽשַׁב־שָׁ֥ם יוֹאָ֖ב וְכָל־יִשְׂרָאֵ֑ל עַד־הִכְרִ֥ית כָּל־זָכָ֖ר בֶּאֱדֽוֹם׃
for Joab and all Israel remained there six months, until he had cut off every male in Edom—
Read kabbalistic (mystical) interpretation of I Kings 11:16: and classical mystical sources.