As an independent sinogram 止 is a Chinese character. It is one of the kyōiku kanji or kanji taught in elementary school in Japan.1 It is a second grade kanji.2
"The Kyoiku Kanji (教育漢字) - Kanshudo". www.kanshudo.com. Archived from the original on March 24, 2022. Retrieved 2023-05-06. https://www.kanshudo.com/collections/kyoiku_kanji ↩