鏡かがみ磨とぎ

noun

mirror polishing

Refers specifically to the act of polishing a metallic mirror, often in a traditional or historical context.

• 神じん社じゃで古ふるい銅どう鏡きょうの鏡磨かがみとぎを見けん学がくした。

  I observed the polishing of an old bronze mirror at the shrine.