Quotes:Karanopadhi
H. P. Blavatsky
Kâranopadhi. The basis or upadhi of Karana, the “causal soul”. In Taraka Rajayoga, it corresponds with both Manas and Buddhi. See Table in the Secret Doctrine, Vol. I, p. 157.
Source: H. P. Blavatsky, The Theosophical Glossary, art. Karanopadhi