- melanin (n.)
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- dark brown or black pigment found in animal bodies, 1832, Modern Latin, with chemical suffix -in (2); first element from Greek melas (genitive melanos) "black," from PIE root *mel- (2) "of darkish color" (source also of Sanskrit malinah "dirty, stained, black," Lithuanian melynas "blue," Latin mulleus "reddish"). Related: Melanism; melanistic.