Etymology

serogroup

S1E1R1O1G2R1O1U1P3

Today it means: A group of microorganisms only differing from others by their composition in terms of antigens Full definition →

English group ← Italian gruppo ← French groupe
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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. Italiangruppo
  8. Frenchgroupe
  9. Italiangruppo
  10. Englishgroup
  11. English todayserogroup

From sero- + group.

Etymology from Wiktionary, CC BY-SA 4.0.