Etymology

tetraalkylammonium

Today it means: Any alkyl quaternary ammonium ion Full definition →

English ammonium ← New Latin ammōnium ← Ancient Greek ῡ̔́λη (hū́lē)
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The story

  1. Proto-Indo-European*kʷetwóres
  2. Proto-Hellenic*kʷétwores
  3. Ancient Greekτέσσᾰρες (téssăres)
  4. Ancient Greekτετρᾰ- (tetră-)
  5. Englishtetra-
  6. Akkadian𒎎𒋆𒁉𒍣𒁕 (guḫlum)
  7. Aramaicכוחלא (kuḥlā)
  8. Arabicكُحْل (kuḥl)
  9. Andalusian Arabicكُحُول (kuḥūl)
  10. Medieval Latinalcoho
  11. Middle Englishalcofol
  12. Englishalc(ohol)
  13. Proto-Indo-European*swel-der.?
  14. Ancient Greekῡ̔́λη (hū́lē)
  15. Englishalkyl
  16. New Latinammōnium
  17. Englishammonium
  18. English todaytetraalkylammonium

From tetra- + alkyl + ammonium.

Etymology from Wiktionary, CC BY-SA 4.0.