ちゃくしゅ 着手 Common word JLPT N1 LinksSentence search for 着手Sentence search for ちゃくしゅKanji details for 着 and 手Edit in JMdict Suru verb1. to start work (on); to undertakeかれ彼はたくさんのしごと仕事にちゃくしゅ着手した。He undertook a great deal of work.2. to start committing a crimeLaw, etc. term, also 著手Noun3. embarkation; launch Discussions Log in to talk about this word.