親したしむ

godan verb (-mu), intransitive verb

become close to; befriend; get familiar with

Describes developing a close, friendly relationship with a person, or becoming familiar with something through repeated exposure. Often used with と or に.

• 新あたらしいクラスメートとすぐに親したしんだ。

  I quickly became close with my new classmates.

• 読どく書しょに親したしむことで語ご彙いが増ふえる。

  By becoming familiar with reading, your vocabulary grows.