one's work; one's duty; one's task
A somewhat formal or literary term for the work or duty one is responsible for. Often used in the phrase 能事終われり (the task is done).
He finished his task and quietly laid down his brush.
The day when I can say 'my work is done' is still far off.
impossibility; something impossible
Compound of 能 (ability, function) and 事 (thing, matter). The exact historical derivation is uncertain; the word is used in classical and formal contexts to refer to one's designated work or duty.