supererogation

 
Pronunciation: /ˌsuːpərɛrəˈgeɪʃ(ə)n, ˌsjuː-/

noun

[mass noun]
  • the performance of more work than duty requires: to maximize profits is for management not an optional exercise or a work of supererogation

Phrases

works of supererogation

(in the Roman Catholic Church) actions believed to form a reserve fund of merit that can be drawn on by prayer in favour of sinners.

Derivatives

supererogatory

Pronunciation: /-ɪˈrɒgət(ə)ri/
adjective

Origin:

early 16th century: from late Latin supererogatio(n-), from supererogare 'pay in addition', from super- 'over' + erogare 'pay out'