Etymology

megabacterium

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Today it means: Any relatively large bacterium Full definition →

English bacterium ← New Latin bactērium ← Ancient Greek βακτήριον (baktḗrion)
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The story

  1. Proto-Indo-European*méǵh₂s
  2. Proto-Hellenic*mégas
  3. Ancient Greekμέγᾰς (mégăs)
  4. Englishmega-
  5. Ancient Greekβακτηρία (baktēría)
  6. Ancient Greekβακτήριον (baktḗrion)
  7. New Latinbactērium
  8. Englishbacterium
  9. English todaymegabacterium

From mega- + bacterium.

Etymology from Wiktionary, CC BY-SA 4.0.