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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 eddy, from Old English edēa, from ed- (“turning, back, reverse”) + ēa (“water”), equivalent to ed- + ea. Ultimately from Proto-Indo-European *h₁é, and, consequently, cognate with Latin et. Related also to Danish ide (“eddy”), Swedish eda (“eddy”), Norwegian ida, ia, ea (“eddy”), Icelandic iða (“eddy”).
Mary Baker Eddy, Mary Morse Baker Eddy
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Classic usage
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