To
vet was originally a
horse-racing term, referring to the requirement that a horse be checked for health and soundness by a
veterinarian before being allowed to race. Thus, it has taken the general meaning "to check". It is a figurative contraction of
veterinarian, which originated in the mid-17th century. The
colloquial abbreviation dates to the 1860s; the verb form of the word, meaning "to treat an animal", came a few decades later—according to the
Oxford English Dictionary, the earliest known usage is 1891—and was applied primarily in a horse-racing context ("He vetted the stallion before the race", "You should vet that horse before he races", etc.). By the early 1900s,
vet had begun to be used as a synonym for
evaluate, especially in the context of searching for flaws. ==Political selection==