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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From Middle English sloworm (possibly influenced by slow), from Old English slāwyrm (“slow-worm, blindworm”), from *slā, related to Norwegian slo (“slow-worm”), Swedish slå (“slow-worm”) + wyrm (“worm, snake”). Compare Swedish ormslå.
blindworm, Anguis fragilis
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Classic usage
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