epagomena

From the neuter plural of Ancient Greek ἐπαγόμενος (epagómenos, “added on”), used by Greek writers of antiquity to describe the five epagomenal days of the calendar of the Egyptians.

epagomena (uncountable)

1. (rare) Time (usually five days) appended to a calendar year, outside of any regular month, to make the year 365 days long (in e.g. the ancient Egyptian calendar and in the French Republican calendar).
   • 1997, Leo Depuyt, Civil Calendar and Lunar Calendar in Ancient Egypt, Peeters, page 57:

     [The Ancient Egyptian calendar had] 12 months each 30 days long followed by five epagomenal days.

• embolismic month, a month inserted into a calendar year to synchronize the calendar with the seasons.
• intercalation, timekeeping adjustments (e.g. leap days) to synchronize a calendar with a solar year and/or the seasons.

• Agapemone

epagomena

1. feminine singular of epagomeno