端たんを開ひらく

expression, godan verb (-ku)

provide impetus; set things in motion; open the way

Idiomatic expression meaning to create an opportunity or trigger that leads to further developments. Often used when someone's action or remark starts a chain of events.

• 彼かれの提てい案あんが議ぎ論ろんの端たんを開ひらいた。

  His proposal provided the impetus for discussion.

• 小ちいさな発はっ見けんが大おおきな研けん究きゅうの端たんを開ひらくこともある。

  A small discovery can sometimes open the way for major research.