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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
First attested in the 1590s. Ultimately related to cleave. Exact origin unknown; probably derived from the verb cleave. If so, the word ultimately may stem from Scandinavian: compare Old Norse kljúfa (“to split”), Old Norse klofi (“a forked stick”).
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Classic usage
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