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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 thirttene, variant (through metathesis) of thrittene, from Old English þrēotīene, from Proto-Germanic *þritehun, compound of *þrīz (“three”) + *tehun (“teen”). Cognate with West Frisian trettjin, Dutch dertien, German dreizehn, Danish tretten. Equivalent to three + -teen.
13, XIII, baker's dozen, long dozen
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Classic usage
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