Etymology

butene

B3U1T1E1N1E1

Today it means: Any of several forms of butylene. Full definition →

English but- ← Ancient Greek βούτῡρος (boútūros) ← Proto-Hellenic *tūrós
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The story

  1. Proto-Indo-European*gʷṓws
  2. Proto-Hellenic*gʷous
  3. Ancient Greekβοῦς (boûs)
  4. Proto-Indo-European*tewh₂-
  5. Proto-Indo-European*tuh₂rós
  6. Proto-Hellenic*tūrós
  7. Ancient Greekτῡρός (tūrós)
  8. Ancient Greekβούτῡρος (boútūros)
  9. Englishbut-
  10. English todaybutene

From but- + -ene.

Etymology from Wiktionary, CC BY-SA 4.0.