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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From Middle English notschelle, from Old English hnutsċiell, from Proto-West Germanic *hnutskallju, equivalent to nut + shell. Cognate with Saterland Frisian Nuteskele, Nuteskil (“nutshell”), Dutch notenschaal (“nutshell”), German Nussschale (“nutshell”).
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Classic usage
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