From Hindupedia, the Hindu Encyclopedia
By Swami Harshananda
Kāraṇaśarira literally means ‘causal body’.
Vedanta, the Brahmasutras and some other scriptures state that every jīva or individual soul has three śarīras or bodies. They are:
The kāraṇaśarira or causal body is nothing but ajñāna or ignorance. This is the root-cause of embodiment. It leads to transmigration of the atma.
- The Concise Encyclopedia of Hinduism, Swami Harshananda, Ram Krishna Math, Bangalore