厭えん世せい自じ殺さつ

noun, noun or participle which takes 'suru'

suicide from despair; killing oneself out of world-weariness

A formal, somewhat literary term for suicide motivated by deep disillusionment with life or the world. Often used in psychological or sociological contexts.

• 彼かれは長なが年ねんの孤こ独どくの末すえ、厭えん世せい自じ殺さつを遂とげた。

  After years of loneliness, he committed suicide out of despair.

• 厭えん