forty.
The cardinal number occurring after thirty-nine and before forty-one, represented in Roman numerals as XL and in Arabic numerals as 40.
Meaning & usage
The cardinal number occurring after thirty-nine and before forty-one, represented in Roman numerals as XL and in Arabic numerals as 40.
Where this word comes from
Etymology tree Proto-Indo-European *kʷetwṓr Proto-Germanic *fedwōr Proto-Indo-European *déḱm̥ Proto-Indo-European *-t Proto-Indo-European *déḱm̥-t(-s) Proto-Germanic *tegun(dz) Proto-Germanic *tigiwiz Proto-Germanic *fedwōr tigiwiz Proto-West Germanic *feuwar tigiwi Old English fēowertiġ Middle English fourty English forty From Middle English fourty, forty, from Old English fēowertiġ, ultimately from Proto-Germanic *fedwōr tigiwiz (“forty”). By surface analysis, four + -ty.
A bottle (of beer) containing forty fluid ounces.
Where this word comes from
Etymology tree Proto-Indo-European *kʷetwṓr Proto-Germanic *fedwōr Proto-Indo-European *déḱm̥ Proto-Indo-European *-t Proto-Indo-European *déḱm̥-t(-s) Proto-Germanic *tegun(dz) Proto-Germanic *tigiwiz Proto-Germanic *fedwōr tigiwiz Proto-West Germanic *feuwar tigiwi Old English fēowertiġ Middle English fourty English forty From Middle English fourty, forty, from Old English fēowertiġ, ultimately from Proto-Germanic *fedwōr tigiwiz (“forty”). By surface analysis, four + -ty.
Resembling or characteristic of a fort.
Where this word comes from
From fort + y.
Try it on your idea.
forty has 5 characters. Say it out loud, try it alongside a description of your project, and see whether its meaning fits what you want to create.
These are naming prompts. Meanings and pronunciation can vary; existing brand and domain uses have not been checked.
Explore the name generatorA word with a source.
Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.