penance

noun
UK /ˈpɛnəns/
US /ˈpɛnəns/

Something you do to show you are sorry for doing something wrong.

As penance for breaking the window, he washed his neighbor's car.


OTHER MEANINGS

2. A punishment you choose to accept to show you are sorry.

She did extra chores as penance for lying to her parents.

3. In some religions, a duty or prayer given by a priest to make up for a sin.

The priest gave him a simple penance of saying three prayers.

4. A feeling of deep sorrow for having done wrong.

He lived his whole life in penance for his past mistakes.