Etymology

monobactam

M3O1N1O1B3A1C3T1A1M3

Today it means: Any of various beta-lactam compounds wherein the beta-lactam ring is alone, not fused to another ring. Full definition →

English beta-lactam ← Proto-Indo-European *dʰeh₁- ← Latin ammoniacus
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The story

  1. Proto-Indo-European*men-
  2. Proto-Hellenic*mónwos
  3. Ancient Greekμόνος (mónos)
  4. Ancient Greekμονο- (mono-)
  5. Englishmono-
  6. Proto-Semitic*bayt-
  7. Phoenician𐤁𐤕 (bt)
  8. Ancient Greekβῆτᾰ (bêtă)
  9. Englishbeta
  10. Latinlac
  11. Englishlacto-
  12. GermanKeton
  13. Englishketone
  14. Englishlac(tone)
  15. Egyptianjmn
  16. Ancient GreekᾸ̓́μμων (Ắmmōn)
  17. LatinAmmōn
  18. Latinammoniacus
  19. Englishammonia
  20. Proto-Indo-European*dʰeh₁-
  21. Englisham(ide)
  22. Englishlactam
  23. Englishbeta-lactam
  24. English todaymonobactam

From mono- + beta-lactam.

Etymology from Wiktionary, CC BY-SA 4.0.