Etymology

seroactivity

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Today it means: The activity of a bacterium or virus in the blood Full definition →

English activity ← Middle French activité ← Latin āctīvitās
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The story

  1. Proto-Indo-European*ser-
  2. Proto-Indo-European*sér-o-
  3. Proto-Italic*serom
  4. Latinserum
  5. Englishserum
  6. Englishsero-
  7. Proto-Indo-European*h₂eǵ-
  8. Proto-Indo-European*h₂éǵeti
  9. Proto-Italic*agō
  10. Latinagō
  11. Ancient Greekἐνεργητικός (energētikós)
  12. Latināctīvus
  13. Latināctīvitās
  14. Middle Frenchactivité
  15. Englishactivity
  16. English todayseroactivity

From sero- + activity.

Etymology from Wiktionary, CC BY-SA 4.0.