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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 pop, poppe (“a blow; strike; buffet”) (> Middle English poppen (“to strike; thrust”, verb)), of onomatopoeic origin – used to describe the sound, or short, sharp actions. The physics sense is part of a facetious sequence "snap, crackle, pop", after the mascots of Rice Krispies cereal.
dad, dada, daddy, pa, papa, pappa
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Classic usage
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