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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 acumulacyon, from Middle French accumulation and its etymon, Latin accumulātiō, accumulātiōnis. By surface analysis, accumulate + -ion. First attested in the late 15th century. Doublet of accumulatio.
accretion
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Classic usage
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