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num
· the number 15, which comes...
15xv
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fifteens
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See allEtymology
PIE word *pénkʷe From Middle English fiftene, from Old English fīftīene, fīftēne, from Proto-Germanic *fimftehun. Cognate with West Frisian fyftjin, Dutch vijftien, German fünfzehn, Danish femten. Equivalent to five + -teen.
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