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Classic usage
Reading level: hard
Estimated CEFR level: B2 — Upper-Intermediate
Estimated from word frequency; not an official CEFR classification.
Inherited from Middle English seventene, from Old English seofontīene, from Proto-Germanic *sebuntehun. Cognate with Dutch zeventien, West Frisian santjin, German siebzehn, Danish sytten. Equivalent to seven + -teen
17, XVII
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Classic usage
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