At this stage, when the enclothing returning light only reaches a height of Ḥokhma, it becomes recognizable that the lower partition is of another level, since the upper partzuf is the partzuf of Keter, and the structure that was generated from upon the lower partition is the height of Ḥokhma, resulting from the loss of the last level in the partition. This recognizable difference is considered “birth,” meaning that the new partzuf emerged from the level of Keter and became a distinct new partzuf that has only the height of Ḥokhma.154Since the emergent partzuf is different from the original partzuf, the equating of forms is essentially nullified.
This difference is considered “birth” because it leads to the new partzuf existing as distinct from the original partzuf. Thus, the source of the partzuf of Ḥokhma that has been born is the partition of the body of the level of Keter that was purified and ascended to the mouth of the head of the partzuf of Keter, and the place of the emergence and birth of the partzuf of Ḥokhma is from the mouth of the head of the partzuf of Keter. (All this is explained in Petiḥa LeḤokhmat HaKabbala, section 35).