(Sansc. Dhârma-dhâtu-prakrit-gñâna), or
“Law-sphere-substance-nature-wisdom,”--signifying the wisdom
that becomes the substance of things. This is the element Ether.
Ether personified is Dai-Nichi-Nyōrai, the “Great Sun-Buddha”
(Mahâvairokana Tathâgata), who “holds the seal of Wisdom.”