錠

Phono-semantic compound:

金 (금, metal) – semantic component, indicating metal/objects made of metal

定 (정, settle, fix) – phonetic component, giving the sound

Originally referred to a bronze or metal ritual vessel with legs, later extended to mean ingot or lump of metal, and by extension coinage.

銀錠 (은정) — silver ingot

錠劑 (정제) — pill, tablet (modern medical usage: pressed lump of medicine)

錠前 (정전) — padlock, lock (esp. Japanese usage)

神仙爐錠 (신선로정) — hotpot vessel used for cooking at the table

In Japanese (錠, じょう / じょうかぎ), widely used for locks and lock-related terms.

In Chinese, also extended to pharmaceutical “tablet” or “pill” (錠劑).