Etymology

diborane

D2I1B3O1R1A1N1E1

Today it means: boron hydride, B₂H₆, a colourless explosive gas with a nasty smell; it has an unusual structure in which two of the hydrogen atoms form a bridge between the two boron atoms Full definition →

English borane ← French carbone ← Latin carbōnem
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The story

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Hellenic*dwi-
  4. Ancient Greekδῐ- (dĭ-)
  5. Latindi-
  6. Englishdi-
  7. Middle Persian*bōrag
  8. Arabicبَوْرَق (bawraq)
  9. Medieval Latinborax
  10. Anglo-Normanboreis
  11. Middle Englishboras
  12. Englishborax
  13. Englishboro-
  14. Proto-Indo-European*kerh₃-der.?
  15. Latincarbōnem
  16. Frenchcarbone
  17. Englishcarbonbf.
  18. Englishbor(on)
  19. Englishborane
  20. English todaydiborane

From di- + borane.

Etymology from Wiktionary, CC BY-SA 4.0.