misfeasance
/mɪsˈfiːzəns/noun
- Law a transgression, especially the wrongful exercise of lawful authority【律】（尤指用权不当构成的）违法行为。
词源
early 17th cent.: from Old French mesfaisance, from mesfaire, from mes- 'wrongly'+faire 'do'（from Latin facere）. Compare with MALFEASANCE.