noun, noun or participle which takes 'suru'
diligence; assiduity; industry
Formal, somewhat literary term for diligent effort and hard work. Often used in the compound 励精努力 (れいせいどりょく) or in the set phrase 励精治める (れいせいおさめる).
See also: 精励
彼は励精努力して、ついに目標を達成した。
He worked diligently and finally achieved his goal.
社長は励精して会社を立て直した。
The president worked assiduously to rebuild the company.