A Theosophical term meaning the human soul. It is "intermediate" in nature because, as a result of incarnation, it is imperfect. However, during life it learns lessons so, eventually, it no longer has a need to incarnate.
Readers, please enjoy this guest blog post by Sandra Kynes, author of several books, including The Herb Gardener's Essential Guide, Plant Magic, and the new Witches' Encyclopedia of Magical Plants, among many others.
Although a few old books...