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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From French havresac, from Low German Haaversack and/or German Habersack, Hafersack (literally “oat-sack”), from Hafer + Sack. Compare also Dutch haverzak.
backpack, back pack, knapsack, packsack, rucksack
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Classic usage
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