1) Buddhist terminology 
Passaddhi is a Pali noun (Sankrit: 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, speec...