Etymology

heptaphane

H4E1P3T1A1P3H4A1N1E1

Today it means: In the nomenclature of complex organic compounds, any linear phane containing seven nodes (or superatoms) Full definition →

English phane ← Ancient Greek φαίνω (phaínō) ← Proto-Hellenic *pʰáňňō
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The story

  1. Proto-Afroasiatic*sṗɣ?
  2. Proto-Semitic*šabʕ-bor.?
  3. Proto-Indo-European*septḿ̥
  4. Proto-Hellenic*heptə́
  5. Ancient Greekἑπτᾰ́ (heptắ)
  6. Englishhepta-
  7. Proto-Indo-European*bʰeh₂-
  8. Proto-Indo-European*bʰh₂nyéti
  9. Proto-Hellenic*pʰáňňō
  10. Ancient Greekφαίνω (phaínō)
  11. Englishphane
  12. English todayheptaphane

From hepta- + phane.

Etymology from Wiktionary, CC BY-SA 4.0.