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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From translingual Calceolaria, the genus of slipperworts, from Latin calceolus (“slipper, little shoe”) + -āria (“-ary: forming plant names”), from calceus (“calceus, footwear”) + -olus (“-ole: forming diminutives”), , from calx (“heel”) + -eus (adjective-forming suffix).
slipperwort
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Classic usage
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