Etymology

iodolactone

I1O1D2O1L1A1C3T1O1N1E1

Today it means: Any lactone having a hydrogen atom replaced by one of iodine Full definition →

English lactone ← German Keton ← Latin lac
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The story

  1. Proto-Hellenic*wion
  2. Ancient Greekἴον (íon)
  3. Proto-Indo-European*weyd-
  4. Proto-Indo-European*wéydos
  5. Proto-Hellenic*wéidos
  6. Ancient Greekεἶδος (eîdos)
  7. Ancient Greekἰοειδής (ioeidḗs)
  8. Englishiodo-
  9. Latinlac
  10. Englishlacto-
  11. GermanKeton
  12. Englishketone
  13. Englishlactone
  14. English todayiodolactone

From iodo- + lactone.

Etymology from Wiktionary, CC BY-SA 4.0.