Etymology

spirocyclopropane

Today it means: A divalent radical in which a cyclopropane ring is fused to another ring at a single carbon atom, the two rings being more-or-less at right angles to one another Full definition →

English cyclopropane ← Classical Latin cyclicus ← French cyclique
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The story

  1. Proto-Indo-European*sper-
  2. Proto-Indo-European*sper-yeh₂-
  3. Ancient Greekσπεῖρα (speîra)
  4. Latinspīra
  5. Englishspiro-
  6. Late Latincyclus
  7. Middle Englishcicle
  8. Englishcycle
  9. Ancient Greekκυκλῐκός (kuklĭkós)
  10. Classical Latincyclicu
  11. Middle Frenchcyclique
  12. Frenchcyclique
  13. Classical Latincyclicus
  14. Englishcyclic
  15. Englishcyclo-
  16. Englishpropane
  17. Englishcyclopropane
  18. English todayspirocyclopropane

From spiro- + cyclopropane.

Etymology from Wiktionary, CC BY-SA 4.0.