Answer: cachou

AnswerCrossword Clue
cachoua resin used in tanning, also CATECHU, CASHOO, CUTCH, KUTCH
cachouany of several astringent substances obtained from various tropical plants, esp. from the wood of two East Indian acacias, Acacia catechu and A. suma: used in medicine, dyeing, tanning, etc.
cachoupill or lozenge for sweetening the breath