# fortieth

> English word · Adjective · IPA /ˈfɔː.ti.əθ/ · frequency rank #63,626

## Definitions
1. The ordinal form of the number forty.

## Etymology
From earlier fourteth, from Middle English fourtithe, fourtiþe; equivalent to forty + -eth. For the modern form, see the etymological notes at twentieth.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/fortieth
