介かいして

expression

through; via; by means of

Used in the pattern ...を介して to indicate that something is done through a medium, intermediary, or channel. Common in formal and written contexts.

• インターネットを介かいして世せ界かい中じゅうの人ひととつながる。

  Connect with people around the world through the internet.

• 彼かれは友ゆう人じんを介かいしてその会かい社しゃに就しゅう職しょくした。

  He got a job at that company through a friend.