Abbreviation for avoirdupois, a system of weights used for measuring everyday items in the imperial system, where a pound equals 16 ounces.
From 'avoirdupois,' an Old French term meaning 'goods of weight,' which became the standard weighing system in English-speaking countries. AVDP is the abbreviated form used on packaging and in commerce.
Avoirdupois is literally French for 'goods of weight,' and it stuck around because medieval merchants from France and England developed this system together for trade—it's a linguistic fossil from the Middle Ages!
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