いそしむ
isoshimu

Godan Verb (mu)

1. to work hard at; to devote oneself to; to be diligent in

Intransitive
Usually Written in Kana
・・・さあ、今日 きょう勉学 べんがく いそしもうか。
...sā kyōmo bengakuni isoshimōka.
Well, shall we devote ourselves to study today as well?