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Classic usage
Reading level: hard
Estimated CEFR level: C1 — Advanced
Estimated from word frequency; not an official CEFR classification.
From Latin āeri(us) + -al, from Ancient Greek ἀέριος (aérios), from ἀήρ (aḗr, “air”) + -ιος (-ios). By surface analysis, aer- (“air”) + -ial.
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Classic usage
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