Teil 12 · Kapitel 264

But according to the opinion of the one who says that they are eighteen months of the time of nursing (the reason is, that — in the case of the lower part of the Tifferet of Arich Anpin, which was clothed for the sake of ZA, and which is also called the Vav of the Name of Havayah, as is known — it was therefore doubled, and that part became two Vavs, and they are twelve months. But the upper part, which is the upper Vav, which was not clothed in ZA but in Aba and Ima, was not doubled and is only a single Vav. Behold, the two parts are only three Vavs in all, which are eighteen months of the time of nursing) — from Rav Tzemach, of blessed memory.