Etymology

ephemeris

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Today it means: A journal or diary. Full definition →

New Latin ephēmeris ← Ancient Greek ἐφημερίς
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The story

  1. Ancient Greek · derived fromἐφημερίς“diary, calendar”
  2. New Latin · borrowed fromephēmeris
  3. English todayephemeris

From New Latin ephēmeris, from Ancient Greek ἐφημερίς (ephēmerís, “diary, calendar”), from ἐφήμερος (ephḗmeros, “daily”).

Etymology from Wiktionary, CC BY-SA 4.0.