Passaddhi
Passaddhi is a Pali noun (Sanskrit: prasrabhi, Tibetan: ཤིན་ཏུ་སྦྱང་བ་, Tibetan Wylie: shin tu sbyang ba) that has been translated as "calmness", "tranquillity", "repose" and "serenity." The associated verb is passambhati (to calm down, to be quiet). In Buddhism, passaddhi refers to tranquillity of the body, speech, thoughts and consciousness on the path to enlightenment.