“roll / volume” in Japanese is 巻, read kan, ma (かん, ま). It is a Grade 6 Kyōiku kanji, taught in year 6 of Japanese elementary school, and appears in words such as 巻物 (scroll).
What does 巻 mean?
首にマフラーを巻く。
Same sound, different character — the classic trap. Compare them side by side: