Origin of misfeasanceOld French mesfaisance from mesfaire, to misdo: see mis- and feasance
Origin of misfeasanceAnglo-Norman mesfesaunce from mesfere to do wrong mes- wrongly ( from Old French; see mis- 1. ) fere to do ( from Latin facere ; see dhē- in Indo-European roots.)
- A wrong that arises from an action. The wrong can be actual or alleged. This word is often used in law, relating to the wrongful use of legal authority.
From mis- + feasance