Standard Lemma guide

epact

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

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

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From French épacte, from Latin epactae, from Ancient Greek ἐπακταί (epaktaí, “intercalary days”), feminine plural of ἐπακτός (epaktós, “brought on or in, added”).

Across languages

Translations

10 source translations are retained for this English entry.

  • Finnish: epakti — the time by which a solar year exceeds twelve lunar months
  • Finnish: jakoaika — the time by which a solar year exceeds twelve lunar months
  • French: épacte — the time by which a solar year exceeds twelve lunar months
  • German: Epakte — the time by which a solar year exceeds twelve lunar months
  • Ancient Greek: ἐπακταί (epaktaí) — the time by which a solar year exceeds twelve lunar months
  • Ido: epakto — the time by which a solar year exceeds twelve lunar months
  • Irish: éapacht — the time by which a solar year exceeds twelve lunar months
  • Italian: epatta — the time by which a solar year exceeds twelve lunar months
  • Latin: epactae — the time by which a solar year exceeds twelve lunar months
  • Spanish: epacta — the time by which a solar year exceeds twelve lunar months