Atik Yomin is clothed in Arich Anpin; Atzilut is under Adam Kadmon.
Atik Yomin is clothed in Arich Anpin in order to strengthen Arich in all its Sefirot through the Balance that is rooted in the Unknown Head. In this respect Arich Anpin stands under the rule of Adam Kadmon through the latter’s Yesod and Malchut, for this is the way MaH and BaN were established under them. This is the essential underlying governmental order that progressively brings complete perfection.
Following our discussion of Arich Anpin’s modes of government, we will now give a full explanation of the various aspects of Arich Anpin in themselves. First we will discuss how in all aspects Arich Anpin is governed by Atik Yomin.