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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
Borrowed from Japanese 布団 (futon), in turn from Middle Chinese 蒲團 (MC bu dwan, “meditation cushion”) (compare Mandarin 蒲团 (pútuán)), from 蒲 (bu, “bulrush, cattail”) + 團 (dwan, “sphere, round object”) from the way the original cushion was round and made from woven bulrushes.
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Classic usage
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