…and is termed Nefesh. For the successive levels of the inner soul, the pnimiyut, are called Nefesh, Ruach and Neshamah.
During Suckling there is growth… During the stage of Suckling (יניקה, yenikah) there are no additional new lights. Rather, the Sefirot already built in the Pregnancy now grow and expand, and thus Chessed-Gevurah-Tiferet, which were there already, albeit concealed, now become revealed.
…in all the lights… The growth is not on any one particular side but in all the previously built Sefirot, which now expand in length and breadth. This is based on the mystery of the human form: during pregnancy the body is built in all its various parts, but in the period of Suckling it is the parts already built that expand.