catechu

American  

[kat-i-choo, -kyoo] / ˈkæt ɪˌtʃu, -ˌkyu /

noun

1. any of several astringent substances obtained from various tropical plants, especially from the wood of two East Indian acacias, Acacia catechu and A. suma: used in medicine, dyeing, tanning, etc.

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catechu British  

/ ˈkætɪˌtʃuː /

noun

1. a water-soluble astringent resinous substance obtained from any of certain tropical plants, esp the leguminous tree Acacia catechu of S Asia, and used in medicine, tanning, and dyeing See also gambier

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Etymology

Origin of catechu

1670–80; < New Latin < Portuguese; perhaps a conflation of Marathi kāt catechu and kāccu, with same sense, alleged to be < Malayalam; cashoo, cutch perhaps < Malay kacu < Malayalam, or a cognate Dravidian word