Etymology

all-knowing

Today it means: Knowing everything: all facts, all actions taken by everyone, and so on. Full definition →

Latin omnisciens
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The story

  1. Latin · calque ofomnisciens
  2. English todayall-knowing

From all- + knowing. Partially a calque of Latin omnisciens (literally “all-knowing”)

Etymology from Wiktionary, CC BY-SA 4.0.