Added 9 October 2026
fifteen
/ˈfɪf.tiːn/ numeral
In Latin: quīndecim Wiktionary
numeral Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about fifteen at Wordnik → Where our words come from →
noun
Origin
PIE word *pénkʷe Etymology tree Proto-Indo-European *pénkʷe Proto-Germanic *fimf Proto-Indo-European *déḱm̥ Proto-Germanic *tehun Proto-Germanic *fimftehun Anglian Old English fīftīene Middle English fiftene English fifteen 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.
From Wiktionary, via Kaikki.org (CC BY-SA)