Origin
The term began as horse racing parlance for a race horse that is not known to gamblers and thus is difficult to place betting odds on.
The earliest-known mention of the concept is in Benjamin Disraeli's novel The Young Duke (1831). Disraeli's protagonist, the Duke of St. James, attends a horse race with a surprise finish: "A dark horse which had never been thought of, and which the careless St. James had never even observed in the list, rushed past the grandstand in sweeping triumph."
Read more about this topic: Dark Horse
Famous quotes containing the word origin:
“High treason, when it is resistance to tyranny here below, has its origin in, and is first committed by, the power that makes and forever re-creates man.”
—Henry David Thoreau (18171862)
“For, though the origin of most of our words is forgotten, each word was at first a stroke of genius, and obtained currency, because for the moment it symbolized the world to the first speaker and to the hearer. The etymologist finds the deadest word to have been once a brilliant picture.”
—Ralph Waldo Emerson (18031882)
“Though I do not believe that a plant will spring up where no seed has been, I have great faith in a seed,a, to me, equally mysterious origin for it.”
—Henry David Thoreau (18171862)