The establishment of Geido is commonly thought to have been greatly influenced by the popularization of esoteric theories and initiation ideas in medieval times, as well as the development of Zen beliefs, according to which mentors are highly regarded.
その成立に関しては中世期に盛んになった秘伝説と伝授思想の確立と、師系を重んじる禅の発想が大きな影響を与えたと見るのが通説である。