The term "dark horse" refers to a person or entity that is relatively unknown or comes from behind to achieve unexpected success or recognition. This term is often used in contexts such as politics, sports, or competitions, where the true potential or abilities of the individual or team are not initially apparent.
The phrase "dark horse" originates from horse racing in the 19th century. It referred to a horse that was not well-known or had not been previously identified as a likely winner, making it an unexpected contender in a race.
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