Etymology

nucleon

N1U1C3L1E1O1N1

Today it means: A proton (uud) or a neutron (udd). Full definition →

English electronbf. ← Ancient Greek ἰόν (ión) ← Proto-Hellenic *éimi
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The story

  1. Proto-Italic*knuks
  2. Latinnux
  3. Latinnucleu
  4. Englishnucleus
  5. Ancient Greekἤλεκτρον (ḗlektron)
  6. Latinēlectrum
  7. New Latinēlectricus
  8. Englishelectric
  9. Proto-Indo-European*h₁ey-
  10. Proto-Indo-European*h₁éyti
  11. Proto-Hellenic*éimi
  12. Ancient Greekἰόν (ión)
  13. Englishion
  14. Englishelectronbf.
  15. English todaynucleon

From nucleus + -on.

Etymology from Wiktionary, CC BY-SA 4.0.