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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From Middle English folden, yfolden, From Old English fealden, ġefealden, from Proto-Germanic *faldanaz, past participle of *falþaną (“to fold”), equivalent to fold + -en. Cognate with Dutch gevouwen, German gefalten.
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Classic usage
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