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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 Middle French valide (“healthy, sound, in good order”), from Latin validus, from valeō (“to be strong, to be healthy, to be worth”) + -idus, from Proto-Indo-European *h₂welh₁- (“be strong”).
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Classic usage
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