肌

A phono-semantic compound composed of:

肉 — semantic component meaning “flesh; meat”;

几 — phonetic component indicating the sound (기 / jī). The character originally referred to the flesh or muscular tissue of the body. Semantic development: - flesh of the body; - skin or outer body surface; - muscle tissue; - texture or surface (extended meaning). The meaning expanded from physical flesh to surface texture or skin.

피부 (皮膚) — skin

근육 (筋肉) — muscle

살결 (肌결) — texture of the skin

Related characters: 肉 — flesh; meat

膚 — skin

筋 — muscle; tendon

皮 — skin; hide