Part of speech: numeral
fifteen (also fíftýne, -téne, fýftíene, -týne, -téne)
Etymology
[Mod E FIFTEEN ← fíf numer + -tíene suff; Goth fimftaíhun; O Fris fīftēne, -tīne; O Sax fīftehan; Dt vijftien; OHG fimfzehan (Mod G fünfzehn); Icel fimmtán; Sw femton]