包皮环切术

• 勹(wrap; envelop)RADICAL
• 巳(fetus; thing inside)ASSOCIATIVE

A protective wrapper embraces a living creature inside, like a covering that shields and guards.

• 皮(hide; skin (pictograph – hand peeling animal skin))ASSOCIATIVE

A hand using a tool to skin an animal mimics the character meaning hide or skin.

• 王(jade)RADICAL
• 不(empty; void; sky)PHONETIC

A ring made from precious jade has a circular shape with no beginning or end.

• 七(seven)PHONETIC
• 刀(knife; blade)RADICAL

Using a knife to chop seven times cuts everything apart.