Etymology

id est

Today it means: Synonym of i.e. or that is. Full definition →

Middle English id est ← Old English id est ← Latin id est
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The story

  1. Latin · derived fromid est
  2. Old English · inherited fromid est
  3. Middle English · inherited fromid est
  4. English todayid est

From Middle English id est, from Old English id est, from Latin id est.

Etymology from Wiktionary, CC BY-SA 4.0.