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Classic usage
Reading level: hard
Estimated CEFR level: B2 — Upper-Intermediate
Estimated from word frequency; not an official CEFR classification.
From Middle English bour, from Old English būr, from Proto-West Germanic *būr, from Proto-Germanic *būrą (“room, abode”). Cognate with Saterland Frisian Búur (“storage room, utility room; cage”), German Bauer (“birdcage”), Old Norse búr (“cage”) (Danish bur, Norwegian Bokmål bur, Swedish bur).
arbor, arbour, pergola
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Classic usage
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