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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From Middle English *swithren, from Old Norse sviðra (“to burn, singe”). Related to Middle English swithen (“to burn, scorch, singe”), from Old Norse svíða (“to burn”).
fret, stew, sweat, lather
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Classic usage
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