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Classic usage
Reading level: hard
Estimated CEFR level: C1 — Advanced
Estimated from word frequency; not an official CEFR classification.
From Middle English yrchoun, irchoun (“hedgehog; sea urchin”), from Old Northern French irechon, from Vulgar Latin *ērīciōnem, from Latin ērīcius. Compare modern French hérisson, whence the English doublet herisson.
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Classic usage
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