The story
- Proto-Indo-European*per-
- Proto-Indo-European*preh₂-
- Proto-Hellenic*pərai
- Ancient Greekπᾰρᾰ́ (părắ)
- Ancient Greekπᾰρᾰ- (pără-)
- Englishpara-
- Proto-Indo-European*dʰwer-
- Proto-Hellenic*tʰurā
- Ancient Greekθῠ́ρᾱ (thŭ́rā)
- Ancient Greekθῠρεός (thŭreós)
- Proto-Indo-European*weyd-
- Proto-Indo-European*wéydos
- Proto-Hellenic*wéidos
- Ancient Greekεἶδος (eîdos)
- Ancient Greekθῠρεοειδής (thŭreoeidḗs)
- New Latinthyreoīdēs
- Englishthyroid
- Englishparathyroid
- English todayparathyroiditis
From parathyroid + -itis.
Etymology from Wiktionary, CC BY-SA 4.0.