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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
Borrowed from translingual Dryas for the plants, from both Latin Dryas and Ancient Greek Δρῠᾰ́ς (Drŭắs), derived from δρῦς (drûs, “tree, oak”). The second definition comes from the large quantity of pollen from the plant that is found in ice cores dating from these periods.
genus Dryas
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Classic usage
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