Answer: cutch

AnswerCrossword Clue
CUTCHState south of Pakistan.
cutcha resin used in tanning, also CATECHU, CACHOU, CASHOO, KUTCH
cutchany 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.