Undecimber

U1N1D2E1C3I1M3B3E1R1

proper noun

A fictitious thirteenth month of the Western calendar.

OriginLatin undecim →
Scrabble 17
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

proper noun
  1. A fictitious thirteenth month of the Western calendar.

Origin

  1. Latinundecim“eleven”
  2. EnglishUndecimber

From Latin undecim (“eleven”); formed as logical continuation to December, which in its turn is derived from Latin decem (“ten”), as it was the tenth month in the Roman calendar. It is unclear whether the term was ever used in Classic Latin as a name for an intercalary month.

More words from Latin

Full word history & related roots →

Translations

Chinese Mandarin 十三月
  • 十三月 (shísānyuè)Translations
Cite this entry
APA

Undecimber. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Undecimber

MLA

“Undecimber.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Undecimber. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “Undecimber,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Undecimber.

Source: Undecimber on Wiktionary, CC BY-SA 4.0.