Etymology

ex officio

Today it means: By virtue of the office that originated it, or of the title held. Full definition →

Latin ex officio
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The story

  1. Latin · borrowed fromex officio“by right of office”
  2. English todayex officio

From Latin ex officio (“by right of office”, literally “from the office”).

Etymology from Wiktionary, CC BY-SA 4.0.