The word 'Upanishad' is derived from Sanskrit; upa (near), ni (down) and sad (to sit). In short, 'to sit down near'. In the tranquil atmosphere of the forest, Rishis, disseminated their philosophical thoughts on various subjects to their pupils sitting near them. The term Upanishad is also believed to be originated from the root 'sad'- meaning 'to loosen', 'to reach', or 'to destroy', with 'upa' and 'ni' as prefixes. According to this though, Upanishad means ...