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Stage 1 of 3
plat
Old French · medieval
"flat"
meaning "flat"
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Stage 2 of 3
plateau
French · medieval
"a flat elevated landform"
came to mean a flat elevated area of land
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Stage 3 of 3
plateau
English · 1700s
"a flat highland, or a period of little change"
adopted directly from French, later used figuratively
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