supererogation
/soop rerrgaysh’n/ • noun the performance of more work than duty requires. — 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 /soopriroggtri/ adjective. — ORIGIN Latin, from supererogare ‘pay in addition’.
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