Etymology

immunosystem

I1M3M3U1N1O1S1Y4S1T1E1M3

Today it means: immune system Full definition →

English system ← 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. Englishsystem
  15. English todayimmunosystem

From immuno- + system.

Etymology from Wiktionary, CC BY-SA 4.0.