Etymology

triethyl

T1R1I1E1T1H4Y4L1

Today it means: Three ethyl groups in a compound Full definition →

English ethyl ← German Ethy ← Ancient Greek ῡ̔́λη (hū́lē)
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The story

  1. Proto-Indo-European*tréyes
  2. Proto-Indo-European*tri-
  3. Proto-Italic*tri-
  4. Latintri-
  5. Englishtri-
  6. Proto-Indo-European*h₂eydʰ-
  7. Proto-Hellenic*áitʰō
  8. Ancient Greekαἴθω (aíthō)
  9. Ancient Greekᾱ̓ήρ (āḗr)influ.?
  10. Ancient Greekαἰθήρ (aithḗr)
  11. Latinaethēr
  12. GermanÄther
  13. GermanEther
  14. Proto-Indo-European*swel-der.?
  15. Ancient Greekῡ̔́λη (hū́lē)
  16. GermanEthy
  17. Englishethyl
  18. English todaytriethyl

From tri- + ethyl.

Etymology from Wiktionary, CC BY-SA 4.0.