あらわす
あらわす · arawasu · JLPT N2 · verb-godan
to write
✍️📖 Same root as 現す (to appear): writing a book makes it appear in the world
あらわす is also written 表す (to express) and 現す (to show up). Written 著す, it means bringing your words out where others can read them, so an author makes a book appear. The same kanji 著 is in 著者 (author).