Etymology

hypothyroid

H4Y4P3O1T1H4Y4R1O1I1D2

Today it means: of or pertaining to hypothyroidism Full definition →

English thyroid ← New Latin thyreoīdēs ← Ancient Greek θῠρεοειδής (thŭreoeidḗs)
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The story

  1. Proto-Indo-European*upó
  2. Ancient Greekῠ̔πό (hŭpó)
  3. Ancient Greekὑπο- (hupo-)
  4. Englishhypo-
  5. Proto-Indo-European*dʰwer-
  6. Proto-Hellenic*tʰurā
  7. Ancient Greekθῠ́ρᾱ (thŭ́rā)
  8. Ancient Greekθῠρεός (thŭreós)
  9. Proto-Indo-European*weyd-
  10. Proto-Indo-European*wéydos
  11. Proto-Hellenic*wéidos
  12. Ancient Greekεἶδος (eîdos)
  13. Ancient Greekθῠρεοειδής (thŭreoeidḗs)
  14. New Latinthyreoīdēs
  15. Englishthyroid
  16. English todayhypothyroid

From hypo- + thyroid.

Etymology from Wiktionary, CC BY-SA 4.0.