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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
Learned borrowing from Ancient Greek κλάδος (kládos, “shoot, branch”). Coined by British evolutionary biologist, philosopher, author Julian Huxley in 1957 in a paper titled The Three Types of Evolutionary Process in Nature. Doublet of cladus.
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Classic usage
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