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Classic usage
Reading level: hard
Estimated CEFR level: C1 — Advanced
Estimated from word frequency; not an official CEFR classification.
Borrowed from French glacier, from Franco-Provençal gllaciér, from Vulgar Latin *glaciārium, a derivative of Latin glaciēs (“ice”), of uncertain origin. First attested in English in 1744 per the OED.
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Classic usage
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