名詞 purgation:

1. purging the body by the use of a cathartic to stimulate evacuation of the bowels
   同義詞：catharsis, katharsis
2. a ceremonial cleansing from defilement or uncleanness by the performance of appropriate rites
   同義詞：purification
3. the act of clearing yourself (or another) from some stigma or charge
   同義詞：purge, purging

pur.ga.tion

n.（名詞）
The act of purging or purifying.
洗滌或凈化的行為