砥との粉こ

noun

tonoko; polishing powder; clay powder

A fine powder made from dried clay, traditionally used for polishing wood, metal, or lacquerware, and as a filler in crafts. The term is often used in woodworking and restoration contexts.

• 木き地じに砥との粉こをすり込こんで磨みがく。

  Rub tonoko powder into the wood surface and polish it.

• 漆しっ器きの下した地じに砥との粉こを使つかう。

  Tonoko is used as a base filler for lacquerware.