A false shirt front or collar insert worn to give the appearance of a full shirt underneath a sweater or jacket.
Named after 'Dickey,' a common nickname for Richard, this term emerged in 19th-century America when detachable shirt fronts became popular for economic reasons. The connection to the name Richard likely came from the idea of something being a 'substitute' or 'false front'—just as 'Dickey' was a substitute name for Richard. These practical garments allowed people to appear well-dressed without the expense of multiple full shirts, leading to the phrase 'dickey' meaning something fake or unreliable.
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