maroon (n.) Look up maroon at Dictionary.com
1594, "large sweet chestnut of southern Europe," from Fr. marron "chestnut," from dialect of Lyons, ult. from a word in a pre-Roman language, perhaps Ligurian; or from Gk. maraon "sweet chestnut." Sense of "very dark reddish-brown color" is first recorded 1791, from Fr. couleur marron.
maroon (v.) Look up maroon at Dictionary.com
"put ashore on a desolate island or coast," 1724 (implied in marooning), from maron (n.) "fugitive black slave in the jungles of W.Indies and Dutch Guyana" (1620s), from Fr. marron, said to be a corruption of Sp. cimmaron "wild, untamed," from O.Sp. cimarra "thicket," probably from cima "summit, top" (from L. cyma "sprout"), with a notion of living wild in the mountains. Related: Marooned.