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A middle name is a name that comes between a person's first name and their surname. It can also be used figuratively to describe a person's qualities or affinities, as in "Patience is her middle name". The term "middle initial" refers to the first letter of a middle name. The word "middle" itself, from which "middle name" is derived, has been in use since before the 12th century and generally refers to a central or intermediate position.1234

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