Etymology

immunoassay

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Today it means: A test for the presence of a substance using the reaction of an antibody to its antigen, making use of the high selectivity of components of biological immune systems. Full definition →

English assay ← Middle French immun ← Latin immūnis
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The story

  1. Proto-Indo-European*mey-
  2. Proto-Indo-European*moy-nós
  3. Proto-Italic*moinos
  4. Latinmūnus
  5. Proto-Indo-European*né
  6. Proto-Indo-European*n̥-
  7. Proto-Italic*n̥-
  8. Latinin-
  9. Latinin- -is
  10. Latinimmūnis
  11. Middle Frenchimmun
  12. Englishimmune
  13. Englishimmuno-
  14. Englishassay
  15. English todayimmunoassay

From immuno- + assay.

Etymology from Wiktionary, CC BY-SA 4.0.