Etymology
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scallion (n.)
late 14c., scalun "kind of onion," also "thing of little value," from Anglo-French escalone, Old North French escalogne, or Old French eschaloigne, all from Vulgar Latin *escalonia, from Latin (cæpa) Ascalonia "(onion) from Ascalon," seaport in southwestern Levant (modern Ashkelon in Israel). Cognate with shallot.
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shallot (n.)

"small onion," 1660s, shortened from eschalot, from French échalote, from French eschalotte, from Old French eschaloigne, from Vulgar Latin *escalonia (see scallion).

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