摘 is built from the 扌 (hand (left)) and 啇 (stem / root (in 適·敵)) components.
It belongs to a phonetic family with 適, 敵, and 滴 — they share the 啇 component and the reading テキ.
A common word using 摘 is 指摘 (してき), meaning “pointing out, identification”.
Don't confuse it with 適, 敵, 滴, and 嫡.