一いっ端たんを担になう

expression, godan verb (-u)

play a part in; be partly responsible for

Used when someone or something contributes to a larger effort or outcome, often in a supporting or partial role. Common in formal or business contexts.

• 彼かれはプロジェクトの成せい功こうに一いっ端たんを担になった。

  He played a part in the project's success.

• この技ぎ術じゅつが医い療りょうの発はっ展てんの一いっ端たんを担になっている。

  This technology is partly responsible for the advancement of medicine.