This is called Chessed-Gevurah-Tiferet of the Mental Powers and is termed Ruach. This should be clear in the light of what was explained above about the stages of development of the Mental Powers.

In Maturity the Mental Powers extend in all their different aspects… The whole of Pregnancy and Suckling is a period of preparation and repair to the body in its various parts, which are built in Pregnancy and expand during Suckling. But Maturity (גדלות, gadlut, “greatness”) depends on the extension of the Mental Powers in all the possible aspects of their pathways and details so that the government can go forth properly accordingly.