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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 *chirpen (attested only in the derivative Middle English chirpinge, cyrpynge, chyrypynge (“chirping”). Compare Middle English chirken and chirmen. More at chirk, chirm. Compare also Middle English chirten (“to smack, chirrup”).
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Classic usage
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