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Added 10 October 2026

fortieth

/ˈfɔː.ti.əθ/ noun

In Latin: quadrāgēsimus Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about fortieth at Wordnik → Where our words come from →

Position 40 in a countable series of things.

adjective

The ordinal number of forty in counting order.

Origin

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

From Wiktionary, via Kaikki.org (CC BY-SA)

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