やり始はじめる

ichidan verb, intransitive verb

start doing; begin to do; get going on

Compound of やる (to do) and 始める (to begin). Used when someone starts doing something, often with a sense of initiative or finally getting around to it. The intransitive label is unusual; in practice it often takes an object marked with を, functioning like a transitive verb.

• そろそろ宿しゅく題だいをやり始はじめよう。

  Let's start doing our homework soon.