The root is care.
The word 'done' can function as a past participle or an adjective, depending on how it is used in a sentence.
The word is 'cinch'.
Eureka!!!
Pedicure
precaution
Action
Soin means "care" in English. When used as a plural, "soins" often means medical care.
That word is "event."
care, to get away from danger
Repair
Repeated and iterated are words that mean done again.