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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From Mandarin 元 (yuán), from 圓／圆 (yuán, “circle > round coin”) referring to the piece of eight. Compare Japanese 円(えん) (en), Korean 원(圓) (won). Doublet of yen and won.
kwai
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Classic usage
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