Added 9 October 2026
fifty
/ˈfɪfti/ numeral
In Latin: quinquaginta Wiktionary
numeral Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about fifty at Wordnik → Where our words come from →
- The cardinal number occurring after forty-nine and before fifty-one.
noun
Origin
PIE word *pénkʷe Etymology tree Proto-Indo-European *pénkʷe Proto-Germanic *fimf Proto-Indo-European *déḱm̥ Proto-Indo-European *-t Proto-Indo-European *déḱm̥-t(-s) Proto-Germanic *tegun(dz) Proto-Germanic *tigiwiz Proto-Germanic *fimf tigiwiz Old English fīftiġ Middle English fifty English fifty From Middle English fifty, from Old English fīftiġ, from Proto-Germanic *fimf tigiwiz (“five tens”). By surface analysis, five + -ty.
From Wiktionary, via Kaikki.org (CC BY-SA)