皮 is built from the 丿 (slash / sweep) and 支 components.
It belongs to a phonetic family with 被, 彼, 疲, and 披 — they share the 皮 component and the reading ヒ.
A common word using 皮 is 皮 (かわ), meaning “skin, hide, leather”.
Kanji that look similar include 失, 必, 伊, and 先.