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Classic usage
Reading level: hard
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From Middle English welteren, equivalent to welt + -er (frequentative suffix). Cognates include German Low German weltern (“to wallow; roll”), Old Norse velta (Danish vælte), German wälzen, Gothic 𐍅𐌰𐌻𐍄𐌾𐌰𐌽 (waltjan). Akin to wallow and Latin volvō.
clutter, jumble, muddle, fuddle, mare's nest, smother
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Classic usage
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