Etymology

transthyretin

T1R1A1N1S1T1H4Y4R1E1T1I1N1

Today it means: a protein found in human blood serum and cerebrospinal fluid that functions as a carrier of the thyroid hormone thyroxine and the retinol-binding protein Full definition →

English ret(inol) ← Middle English alcofol ← Medieval Latin alcoho
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The story

  1. Proto-Indo-European*terh₂-
  2. Proto-Indo-European*térh₂t
  3. Proto-Indo-European*tr̥h₂ónts
  4. Proto-Indo-European*tr̥h₂n̥ts
  5. Proto-Italic*trāns
  6. Proto-Italic*trāns-
  7. Latintrans-
  8. Englishtrans-
  9. Proto-Indo-European*dʰwer-
  10. Proto-Hellenic*tʰurā
  11. Ancient Greekθῠ́ρᾱ (thŭ́rā)
  12. Ancient Greekθῠρεός (thŭreós)
  13. Proto-Indo-European*weyd-
  14. Proto-Indo-European*wéydos
  15. Proto-Hellenic*wéidos
  16. Ancient Greekεἶδος (eîdos)
  17. Ancient Greekθῠρεοειδής (thŭreoeidḗs)
  18. New Latinthyreoīdēs
  19. Englishthyroid
  20. Englishthyr-
  21. Englishox-
  22. Englishthyr(oxine)
  23. Englishretina
  24. Akkadian𒎎𒋆𒁉𒍣𒁕 (guḫlum)
  25. Aramaicכוחלא (kuḥlā)
  26. Arabicكُحْل (kuḥl)
  27. Andalusian Arabicكُحُول (kuḥūl)
  28. Medieval Latinalcoho
  29. Middle Englishalcofol
  30. Englishalcohol
  31. Englishret(inol)
  32. English todaytransthyretin

From trans- (“denoting change or transfer”) + thyr(oxine) + ret(inol) + -in (“protein”).

Etymology from Wiktionary, CC BY-SA 4.0.