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late 14c., epatike, from Old French hepatique or directly from Latin hepaticus "pertaining to the liver," from Greek hepatikos, from hepar (genitive hepatos) "liver" (see hepatitis). As a noun, "medicine for the liver," from late 15c.
hepatic he·pat·ic (hĭ-pāt'ĭk)
Of, relating to, or resembling the liver.
Acting on or occurring in the liver.