Etymology

hydropyrolysis

H4Y4D2R1O1P3Y4R1O1L1Y4S1I1S1

Today it means: Hydrogen pyrolysis: the thermal decomposition which takes place when organic compounds are heated to high temperatures in the presence of hydrogen. In some case, water may be used as the hydrogen source. Full definition →

English pyrolysis ← Ancient Greek λῠ́σῐς (lŭ́sĭs) ← Proto-Indo-European *lewh₁-
Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

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. Proto-Indo-European*péh₂wr̥
  8. Proto-Hellenic*pāwər
  9. Ancient Greekπῦρ (pûr)
  10. Latinpyr
  11. Englishpyro-
  12. Proto-Indo-European*lewh₁-
  13. Ancient Greekλύω (lúō)
  14. Ancient Greekλῠ́σῐς (lŭ́sĭs)
  15. Englishpyrolysis
  16. English todayhydropyrolysis

From hydro- + pyrolysis.

Etymology from Wiktionary, CC BY-SA 4.0.