Etymology

leuprorelin

L1E1U1P3R1O1R1E1L1I1N1

Today it means: A synthetic analog of gonadotropin-releasing hormone (trademark Eligard, Lupron) that downregulates the secretion of gonadotropins, and is administered by injection in the form of its acetate C₅₉H₈₄N₁₆O₁₂·C₂H₄O₂ to treat cancer of the prostate gland, endometriosis, uterine fibroids, and precocious puberty. Full definition →

English release ← Middle English relesen ← Old French relaisser
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The story

  1. Proto-Indo-European*lewk-
  2. Proto-Indo-European*lewkós
  3. Proto-Hellenic*leukós
  4. Ancient Greekλευκός (leukós)
  5. Englishleucine
  6. Proto-Indo-European*péh₂wr̥
  7. Proto-Hellenic*pāwər
  8. Ancient Greekπῦρ (pûr)
  9. Ancient Greekπῠρρός (pŭrrhós)
  10. GermanPyrro
  11. Englishpyrrole
  12. Englishpyrrolidine
  13. Englishproline
  14. Proto-Italic*wre-
  15. Latinre-
  16. Old Frenchre-
  17. Proto-Indo-European*(s)leg-
  18. Proto-Indo-European*(s)leg-s-ós
  19. Latinlaxus
  20. Latinlaxō
  21. Vulgar Latin*laxicāre
  22. Vulgar Latin*lassicāre
  23. Old Frenchlaschier
  24. Old Frenchrelaschier
  25. Old Frenchrelaisser
  26. Middle Englishrelesen
  27. Englishrelease
  28. English todayleuprorelin

From Translingual Leu + Pro + English -relin (“LHRH release–stimulating peptide”).

Etymology from Wiktionary, CC BY-SA 4.0.