Etymology

seroreactivity

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Today it means: The reactivity of blood serum, especially to a virus. Full definition →

English reactivity ← Latin serum ← Proto-Italic *serom
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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. Englishreactivity
  8. English todayseroreactivity

From sero- + reactivity.

Etymology from Wiktionary, CC BY-SA 4.0.