proemptosis

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noun

The addition of a leap day to the lunar calendar.

OriginNew Latin proemptōsis ← Ancient Greek προ- →
Scrabble 17
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Meanings

nounproemptosis (plural not attested)
  1. historicalno pluralThe addition of a leap day to the lunar calendar.

Origin

  1. Ancient Greekπρο-“before”
  2. New Latinproemptōsis
  3. Englishproemptosis

From New Latin proemptōsis, from Ancient Greek προ- (pro-, “before”) + ἔμπτωσις (émptōsis, “falling”).

More words from New Latin, Ancient Greek

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Cite this entry
APA

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

MLA

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

Chicago

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

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