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Classic usage
Reading level: medium
Estimated CEFR level: B1 — Intermediate
Estimated from word frequency; not an official CEFR classification.
From Middle English proporcion, from Old French proportion, from Latin prōportiō (“comparative relation, proportion, symmetry, analogy”), from pro (“for, before”) + portio (“share, part”); see portion. By surface analysis, pro- + portion.
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Classic usage
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