Etymology

sub-light

Today it means: At less than the speed of light. Full definition →

English light ← Middle English light ← Old English lēoht
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The story

  1. Latinsub
  2. Latinsub-
  3. Englishsub-
  4. Proto-Germanic*leuhtą
  5. Proto-West Germanic*leuht
  6. Old Englishlēoht
  7. Middle Englishlight
  8. Englishlight
  9. English todaysub-light

From sub- + light.

Etymology from Wiktionary, CC BY-SA 4.0.