Mercer
来自Big Physics
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Middle English: from Old French mercier, based on Latin merx, merc- ‘goods’.
wiktionary
From Anglo-Norman marcer, mercer(“merchant, textile merchant”), from merz(“commodity”) (from Latin merx).
etymonline
mercer (n.)
"dealer in small wares or merchandise of any sort," also, specifically, "dealer in textiles or clothes of any sort, especially silk," c. 1200 (late 12c. as a surname), from Old French mercier "shopkeeper, tradesman," from Vulgar Latin *merciarius, from Latin merx "wares, merchandise" (see market (n.)). Related: Mercery.
