精せい根こん尽つき果はてる

expression, ichidan verb

use up all energy and willpower; be utterly exhausted and lose the will to go on

Describes a state of complete physical and mental exhaustion where one's drive or motivation is also depleted. Often used in literary or dramatic contexts.

• 彼かれは長ながい闘とう病びょう生せい活かつで精せい根こん尽つき果はててしまった。

  After a long battle with illness, he used up all his energy and willpower.

• 過か酷こくな労ろう働どうの末すえ、精せい根こん尽つき果はてるように倒たおれた。

  After grueling labor, he collapsed as if completely spent in body and spirit.