Etymology

testosterone

T1E1S1T1O1S1T1E1R1O1N1E1

Today it means: A steroid hormone that stimulates development of male secondary sexual characteristics, produced mainly in the testes, but also in the ovaries and adrenal cortex. Full definition →

English ketone ← German Keton ← French cholestéro
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The story

  1. Latintesti
  2. Englishtest(is)
  3. Proto-Indo-European*ǵʰelh₃-
  4. Proto-Hellenic*kʰolā́
  5. Ancient Greekχολή (kholḗ)
  6. Proto-Indo-European*ster-
  7. Ancient Greekστερεός (stereós)
  8. Frenchcholestérine
  9. Frenchcholestéro
  10. Englishcholesterol
  11. Englishsterol
  12. GermanKeton
  13. Englishketone
  14. English todaytestosterone

From test(is) + -o- + -sterone (“steroid hormone”).

Etymology from Wiktionary, CC BY-SA 4.0.