どうさ

noun

dōsa; alum and glue sizing for washi

A traditional sizing solution made from alum and glue, applied to Japanese paper (washi) to prevent ink bleeding. Used in calligraphy, painting, and conservation.

See also: 和紙

• 和わ紙しにどうさを引ひいてから墨すみで書かく。

  After applying dōsa to the washi, I write with ink.

• 日本にほん画がでは、にじみを防ふせぐためにどうさを使つかう。

  In Japanese painting, dōsa is used to prevent bleeding.