Definition of turpeth
1 : the root of a tropical Asiatic and Australian vine (Operculina turpethum) formerly used in medicine as a purgative; also : the plant itself —called also Indian jalap, vegetable turpeth
2 less commonly turpeth mineral : calomel
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Origin and Etymology of turpeth
alteration (influenced by New Latin turpethum turpeth, from Arabic turbid) of earlier turbith, from Middle English turbit, from Middle French turbit, from Arabic turbid
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