a. and sb. [mod. f. Gr. κάτω downwards + καθαρτικός CATHARTIC; cf. ANOCATHARTIC. Also formerly cata-.]

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  A.  adj. Causing evacuation of the bowels, purgative. B. sb. A purgative medicine.

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1704.  J. Harris, Lex. Techn., Catacatharticks, are Medicines that purge downwards … Cato-cathartick Medicines, are such as work downwards.

3

1721.  Bailey, Catacathartic.

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