the process of releasing, and thereby providing relief from, strong or repressed emotions 感情宣泄,情绪发泄
(Medicine, rare)purgation (医,罕)导泻,通便
语源
early 19th cent. (in sense 2): from Greek katharsis, from kathairein 'cleanse', from katharos 'pure'. The notion of ‘release’ through drama (sense 1) derives from Aristotle's Poetics