Etymology

leptonic

L1E1P3T1O1N1I1C3

Today it means: Of, pertaining to, or composed of leptons. Full definition →

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

  1. Ancient Greekλέπω (lépō)
  2. Ancient Greekλεπτόν (leptón)
  3. Ancient Greekἤλεκτρον (ḗlektron)
  4. Latinēlectrum
  5. New Latinēlectricus
  6. Englishelectric
  7. Proto-Indo-European*h₁ey-
  8. Proto-Indo-European*h₁éyti
  9. Proto-Hellenic*éimi
  10. Ancient Greekἰόν (ión)
  11. Englishion
  12. Englishelectronbf.
  13. Englishlepton
  14. English todayleptonic

From lepton + -ic.

Etymology from Wiktionary, CC BY-SA 4.0.