metemptosis

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noun

The suppression of a day in the calendar to prevent the date of the new moon being set a day too late, or the suppression of the leap day once in 134 years.

Opposite
proemptosis
OriginAncient Greek μετέμπτωσις →
Scrabble 17
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Meanings

nounmetemptosis (uncountable)
  1. historicaluncountableThe suppression of a day in the calendar to prevent the date of the new moon being set a day too late, or the suppression of the leap day once in 134 years.

Synonyms & antonyms

Opposite
proemptosis

Origin

  1. Ancient Greekμετέμπτωσις
  2. Englishmetemptosis

Learned borrowing from Ancient Greek μετέμπτωσις (metémptōsis), from μετεμπίπτω (metempíptō).

More words from Ancient Greek

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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