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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From Middle English dydoppar, from earlier douedoppe, deuedep, dyuedap with agentive suffix -er, from Old English dūfedoppa (“diving bird, pelican”), from dūfan (“to dive”) + *doppa (“diver”) (whence modern English dop (“diving bird”)). By surface analysis, dive + dop + -er.
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Classic usage
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