/ rɪˈpent; NAmE / verb
repent (of sth) ( formal ) to feel and show that you are sorry for sth bad or wrong that you have done :
[ v ]
God welcomes the sinner who repents.
She had repented of what she had done.
[ vn ]
He came to repent his hasty decision (= wished he had not taken it) .
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WORD ORIGIN
Middle English : from Old French repentir , from re- (expressing intensive force) + pentir (based on Latin paenitere cause to repent).