Etymology

subsurface

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Today it means: Something that is below the layer that is on the surface. Full definition →

English surface ← Middle French surface ← Latin sub-
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The story

  1. Latinsub
  2. Latinsub-
  3. Englishsub-
  4. Middle Frenchsurface
  5. Englishsurface
  6. English todaysubsurface

From sub- + surface.

Etymology from Wiktionary, CC BY-SA 4.0.