supererogate

American  

[soo-per-er-uh-geyt] / ˌsu pərˈɛr əˌgeɪt /

verb (used without object)

supererogated, supererogating

1. to do more than duty requires.

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supererogate British  

/ ˌsuːpərˈɛrəˌɡeɪt /

verb

1. obsolete (intr) to do or perform more than is required

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Other Word Forms

• supererogation
  noun
• supererogator
  noun

Etymology

Origin of supererogate

First recorded in 1730–40; from Late Latin superērogātus (past participle of superērogāre “to pay out in addition”), equivalent to super- “above, beyond” + ērogātus, past participle of ērogāre “to pay out,” equivalent to ē- “out of, from” + rog(āre) “to ask” + -ātus past participle suffix; see super-, e- ¹, -ate ¹