Etymology

superinsulator

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Today it means: A very efficient insulator Full definition →

English insulator ← Latin super- ← Proto-Italic *super
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The story

  1. Proto-Indo-European*úp
  2. Proto-Indo-European*upér
  3. Proto-Italic*super
  4. Latinsuper
  5. Latinsuper-
  6. Englishsuper-
  7. Englishinsulator
  8. English todaysuperinsulator

From super- + insulator.

Etymology from Wiktionary, CC BY-SA 4.0.