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Added 3 October 2026

twelfth

/twɛlftθ/ adjective

In Latin: duodecimus Wiktionary

adjective Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about twelfth at Wordnik → Where our words come from →

The ordinal form of the number twelve, describing a person or thing in position number 12 of a sequence.
The answer appears on the twelfth page of the book.

noun

One of twelve equal parts of a whole.
A twelfth of 240 is 20.
An interval equal to an octave plus a fifth.

Origin

From Middle English twelfthe, twelfte, from Old English twelfta (“twelfth”), from Proto-Germanic *twaliftô (“twelfth”), equivalent to twelve + -th (ordinal suffix). Cognate with Scots twalt (“twelfth”), Saterland Frisian tweelfte (“twelfth”), West Frisian tolfde (“twelfth”), Dutch twaalfde (“twelfth”), German Low German twalfde, twalvde (“twelfth”), German zwölfte (“twelfth”), Danish tolvte (“twelfth”), Swedish tolfte (“twelfth”), Icelandic tólfta (“twelfth”).

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

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