epact

noun
\ ˈē-ˌpakt How to pronounce epact (audio) , ˈe- How to pronounce epact (audio) \

Definition of epact

: a period added to harmonize the lunar with the solar calendar

First Known Use of epact

1588, in the meaning defined above

History and Etymology for epact

Middle French epacte, from Late Latin epacta, from Greek epaktē, from epagein to bring in, intercalate, from epi- + agein to drive — more at agent

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epacris

epact

epactal

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Cite this Entry

“Epact.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/epact. Accessed 24 Sep. 2021.

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More from Merriam-Webster on epact

Britannica.com: Encyclopedia article about epact

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