Etymology

bactericidally

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Today it means: In a bactericidal manner. Full definition →

English bactericidal ← Proto-Indo-European *h₂élisder.? ← Latin caedō
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The story

  1. Ancient Greekβακτηρία (baktēría)
  2. Ancient Greekβακτήριον (baktḗrion)
  3. New Latinbactērium
  4. Englishbacteri(um)
  5. Proto-Indo-European*kh₂eyd-
  6. Proto-Indo-European*kh₂éydeti
  7. Proto-Italic*kaidō
  8. Latincaedō
  9. Proto-Indo-European*h₂el-
  10. Proto-Indo-European*h₂élisder.?
  11. Englishbactericidal
  12. English todaybactericidally

From bactericidal + -ly.

Etymology from Wiktionary, CC BY-SA 4.0.