Etymology

anionoid

A1N1I1O1N1O1I1D2

Today it means: Describing the anionic part of a zwitterion Full definition →

Ancient Greek εἶδος (eîdos) ← Proto-Hellenic *wéidos ← Proto-Indo-European *wéydos
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The story

  1. Proto-Indo-European*h₂en-
  2. Proto-Hellenic*aná
  3. Ancient Greekᾰ̓νᾰ́ (ănắ)
  4. Ancient Greekᾰ̓νᾰ- (ănă-)
  5. Proto-Indo-European*h₁ey-
  6. Proto-Indo-European*h₁éyti
  7. Proto-Hellenic*éimi
  8. Ancient Greekῐ̓όν (ĭón)
  9. Ancient Greekἀνῐόν (anĭón)
  10. Englishanion
  11. Proto-Indo-European*weyd-
  12. Proto-Indo-European*wéydos
  13. Proto-Hellenic*wéidos
  14. Ancient Greekεἶδος (eîdos)
  15. English todayanionoid

From anion + -oid.

Etymology from Wiktionary, CC BY-SA 4.0.