Etymology

megaohm

M3E1G2A1O1H4M3

Today it means: An SI unit of resistance equal to 10⁶ ohms. Symbol: MΩ Full definition →

English ohm ← 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. Englishohm
  6. English todaymegaohm

From mega- + ohm.

Etymology from Wiktionary, CC BY-SA 4.0.