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Classic usage
Reading level: hard
Estimated CEFR level: C1 — Advanced
Estimated from word frequency; not an official CEFR classification.
From Old French ars bouterez (noun, literally “supporting arcs”), from bouterez (adjective), oblique plural of bouteret (rare in the singular), from Frankish *bôtan, from Proto-Germanic *bautaną (“to push”). Ultimately cognate with beat.
buttressing
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Classic usage
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