松しょう煤ばい

noun

pine soot; soot of burnt pine

Refers to the fine black soot produced by burning pine wood, historically used in making sumi ink.

• 松しょう煤ばいは良りょう質しつの墨すみの原げん料りょうとして珍ちん重ちょうされた。

  Pine soot was prized as a material for high-quality ink.