expression, godan verb (-ru)
get to work; start working
Used when someone begins a task or job, often after preparation or a pause.
朝食の後、すぐに仕事に掛かった。
After breakfast, I immediately got to work.
そろそろ仕事に掛かりましょう。
Let's get to work soon.
取り掛かる is a more general verb meaning 'to start (a task)', while 仕事に掛かる specifically means 'to get to work' and includes the noun 仕事.
Standard kanji spelling for the expression.
Kana spelling of the verb part; common in everyday writing.
Combination of 仕事 (work) + に (particle) + 掛かる (to start, to set about). The verb 掛かる here carries the meaning of beginning an action.