Etymology

mega-joule

Today it means: One million ( 10⁶ ) joules. Symbol: MJ. Full definition →

English joule ← Ancient Greek μέγᾰς (mégăs) ← Proto-Hellenic *mégas
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The story

  1. Proto-Indo-European*méǵh₂s
  2. Proto-Hellenic*mégas
  3. Ancient Greekμέγᾰς (mégăs)
  4. Englishmega-
  5. Englishjoule
  6. English todaymega-joule

From mega- + joule.

Etymology from Wiktionary, CC BY-SA 4.0.