Answer: cutches

AnswerCrossword Clue
cutchesany 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.
cutchesCUTCH, a resin used in tanning, also CATECHU, CACHOU, CASHOO, KUTCH