noun
kakishibu; astringent persimmon juice
A traditional Japanese liquid made from unripe astringent persimmons, used as a dye, wood preservative, and paper treatment.
柿渋で染めた布は独特の色合いになる。
Cloth dyed with kakishibu takes on a distinctive hue.
この和紙は柿渋を塗って強度を高めてある。
This Japanese paper has been coated with kakishibu to increase its strength.