purgation
/pɜːˈgeɪʃən/noun
mass noun
1- the purification or cleansing of someone or something涤罪, 洗罪; 净化, 清洗, 洗涤：
the purgation by ritual violence of morbid social emotions.
用强制性的仪式清除病态的社会情感。
1.1
- (in Catholic doctrine) the spiritual cleansing of a soul in purgatory（天主教教义）炼狱中的灵魂净化。
1.2
- historical the action of clearing oneself of accusation or suspicion by an oath or ordeal〈史〉以发誓（或接受神明裁判）方式进行的洗清指控（或猜疑）。
1.3
- evacuation of the bowels brought about by laxatives催泻。
词源
late Middle English: from Old French purgacion, from Latin purgatio（n-）, from purgare 'purify' （see PURGE）.