Etymology

substation

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Today it means: A site where electricity supplied by long-distance (high-voltage) transmission lines is transformed or regulated for local (low-voltage) distribution. Full definition →

English station ← Latin sub- ← Proto-Italic *supo
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The story

  1. Proto-Indo-European*upó
  2. Proto-Italic*supo
  3. Latinsub
  4. Latinsub-
  5. Englishsub-
  6. Englishstation
  7. English todaysubstation

From sub- + station.

Etymology from Wiktionary, CC BY-SA 4.0.