Etymology

hydron

H4Y4D2R1O1N1

Today it means: any hydrogen cation, e.g. a proton (¹H⁺) Full definition →

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

  1. Proto-Indo-European*wed-
  2. Proto-Indo-European*wódr̥
  3. Proto-Hellenic*údōr
  4. Ancient Greekῡ̆̔́δωρ (hū̆́dōr)
  5. Ancient Greekῠ̔δρο- (hŭdro-)
  6. Englishhydro-
  7. Ancient Greekἤλεκτρον (ḗlektron)
  8. Latinēlectrum
  9. New Latinēlectricus
  10. Englishelectric
  11. Proto-Indo-European*h₁ey-
  12. Proto-Indo-European*h₁éyti
  13. Proto-Hellenic*éimi
  14. Ancient Greekἰόν (ión)
  15. Englishion
  16. Englishelectronbf.
  17. English todayhydron

From hydro- + -on.

Etymology from Wiktionary, CC BY-SA 4.0.