attrition
Pronunciation: /əˈtrɪʃ(ə)n/
noun
mass noun
1 The process of reducing something's strength or effectiveness through sustained attack or pressure.
1.1 NZ, Australian, North American The gradual reduction of a workforce by employees leaving and not being replaced rather than by redundancy.
1.2 Wearing away by friction; abrasion.
2 (in scholastic theology) sorrow for sin, falling short of contrition.
Origin
Late Middle English (in attrition (sense 2)): from late Latin attritio(n-), from atterere ‘to rub’.
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Jane's resolve flagged. Her hallmark enthusiasm suffered
attrition. Nonetheless, she stuck at it, the mark of a true professional.

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