ウパニシャッドウパニシャッドMeanings1nounUpanishadRefers to the ancient Sanskrit philosophical texts forming the theoretical basis for the Hindu religion.from Sanskrit Upanisadウパニシャッドはインド哲てつ学がくの重じゅう要ような聖せい典てんです。The Upanishads are important scriptures of Indian philosophy.