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Classic usage
Reading level: hard
Estimated CEFR level: C1 — Advanced
Estimated from word frequency; not an official CEFR classification.
From Middle English thryven, thriven, from Old Norse þrífa (“to seize, grasp, take hold, prosper”), from Proto-Germanic *þrībaną (“to seize, prosper”), from Proto-Indo-European *trep-, *terp- (“to satisfy, enjoy”). Cognate with Swedish trivas, Danish trives, Norwegian Bokmål trives.
boom, flourish, expand
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Classic usage
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