Meanings
nounepact (plural epacts)
plural epacts
- the time (number of days) by which a solar year exceeds twelve lunar months; it is used in the calculation of the date of Easter
Origin
- Ancient Greekἐπακταί“intercalary days”
- Latinepactae
- Frenchépacte
- Englishepact
From French épacte, from Latin epactae, from Ancient Greek ἐπακταί (epaktaí, “intercalary days”), feminine plural of ἐπακτός (epaktós, “brought on or in, added”).
More words from French, Latin, Ancient Greek
Full word history & related roots →Translations
Ancient Greek ἐπακταί
- ἐπακταί (epaktaí)the time by which a solar year exceeds twelve lunar months
Finnish epakti, jakoaika
- epaktithe time by which a solar year exceeds twelve lunar months
- jakoaikathe time by which a solar year exceeds twelve lunar months
French épacte
- épactethe time by which a solar year exceeds twelve lunar months
German Epakte
- Epaktethe time by which a solar year exceeds twelve lunar months
Irish éapacht
- éapachtthe time by which a solar year exceeds twelve lunar months
Italian epatta
- epattathe time by which a solar year exceeds twelve lunar months
Latin epactae
- epactaethe time by which a solar year exceeds twelve lunar months
Spanish epacta
- epactathe time by which a solar year exceeds twelve lunar months
Rhymes & wordplay
Anagrams
Cite this entry
APA
epact. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/epact
MLA
“epact.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/epact. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “epact,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/epact.
Source: epact on Wiktionary, CC BY-SA 4.0.