U·pan·i·shad (-pănə-shăd′, -pänĭ-shäd′)
Any of a group of philosophical treatises contributing to the theology of ancient Hinduism, elaborating on the earlier Vedas.
[Sanskrit upaniṣat, upaniṣad- : upa, under, near; see upo in the Appendix of Indo-European roots + ni, down + sīdati, sad-, he sits (probably from the fact that students would sit at their teacher's feet while listening to instruction); see sed- in the Appendix of Indo-European roots.]
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