malic (adj.)

"pertaining to apples, obtained from the juice of apples," 1790 (in malic acid, in a translation of Fourcroy), from French malique, from Latin malum "apple" from Greek mēlon (Doric malon) "apple," which is probably from the Pre-Greek substrate language. The Latin and Greek words also meant "fruit" generally, especially if exotic. The acid, discovered 1785 by Swedish/German chemist Carl Wilhelm Scheele, was obtained from unripe apples and other fruits. 

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