Origin: Latin suffix -tion
Remediation has 2 different meanings across 1 category:
act of correcting an error or a fault or an evil
"The company implemented a strict remediation plan to correct the data errors and restore customer trust."
The process of remedying a situation.
"The company launched an emergency plan focused on the rapid remediation of the data breach to restore customer trust."
In plain English: Remediation is fixing something that went wrong to make it better again.
"The company implemented data remediation to fix errors in their database after the security breach."
The word entered English from French as a noun form of the verb to remedy or correct. It originally referred to the act of fixing something wrong but has since broadened to include any process of restoring health or value.