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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From Middle English mouten, from Old English *mutian (cf. bemutian), from Latin mūtō, mūtāre. Doublet of mute and mutate. Un-etymological ⟨l⟩ was introduced into the spelling by mistakenly assuming a French origin with -l- (compare fault, vault and solder with correctly restored etymological ⟨l⟩).
molt, molting, moulting, ecdysis
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Classic usage
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