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Classic usage
Reading level: hard
Estimated CEFR level: B2 — Upper-Intermediate
Estimated from word frequency; not an official CEFR classification.
From Middle English erthequake, corresponding to earth + quake. Displaced Middle English eorð byfung (“earthquake”) from Old English eorþbeofung (literally “earth shaking”).
quake, temblor, seism
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Classic usage
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