cashoo
/kəˈʃuː/
noun
- A dark, bitter extract obtained from the bark of certain acacia trees, used in tanning, dyeing, and traditional medicine; also called catechu.
- In some cultures, cashoo is chewed with betel nut for its mild stimulant effect.
- The tannins in cashoo make it useful for preserving leather.
- Cashoo is used to dye fabrics a deep brown color.
Synonyms