朱 is built from the 丿 (slash / sweep) and 未 components.
It belongs to a phonetic family with 株, 殊, and 珠 — they share the 未 component and the reading シュ.
A common word using 朱 is 朱 (あけ), meaning “red; vermilion”.
Don't confuse it with 株, 珠, 殊, and 未.
