Dictionary

supererogation

noun su·per·er·o·ga·tion \ˌsü-pər-ˌer-ə-ˈgā-shən\

Definition of SUPEREROGATION

:  the act of performing more than is required by duty, obligation, or need
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Origin of SUPEREROGATION

Medieval Latin supererogation-, supererogatio, from supererogare to perform beyond the call of duty, from Late Latin, to expend in addition, from Latin super- + erogare to expend public funds after asking the consent of the people, from e- + rogare to ask — more at right
First Known Use: 1526

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