Satchitananda (Sanskrit: सच्चिदानंद,: Saccidānanda) or Sacchidānanda representing "existence, consciousness, and bliss" or "truth, consciousness, bliss", is an epithet and description for the subjective experience of the ultimate unchanging reality, called Brahman in certain branches of Hindu philosophy, especially Vedanta.
wikipedia https://en.wikipedia.org/wiki/Satcitananda