禍か根こんを絶たつ

expression, godan verb (-tsu)

strike at the root of an evil; eradicate the source of trouble

A formal, somewhat literary expression meaning to eliminate the fundamental cause of a problem or evil. Often used in discussions of policy, social issues, or moral failings.

• 汚お職しょくの禍か根こんを絶たつためには、制せい度どの改かい革かくが必ひつ要ようだ。

  To strike at the root of corruption, institutional reform is necessary.

• 彼かれは社しゃ会かいから差さ別べつの禍か根こんを絶たとうと尽じん力りょくした。

  He worked hard to eradicate the root of discrimination from society.