Etymograph

English

hyperthyroid

Hyperthyroid comes from Ancient Greek θῠρεοειδής ‘Shield-shaped’, from Proto-Indo-European *wéydos ‘seeing’, and ultimately from *weyd- ‘to see’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*weyd-‘to see’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*wéydos‘seeing’reconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*wéidosreconstructed
  4. Ancient Greekc. 800–300 BCEεἶδοςeîdos
  5. Ancient Greek, derivedc. 800–300 BCEθῠρεοειδήςthŭreoeidḗs‘Shield-shaped’
  6. New Latinmodernthyreoīdēs
  7. English1500–presentthyroid
  8. Englishtodayhyperthyroid

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*weyd-‘to see’reconstructed
  2. Proto-Indo-European, derivedc. 4500–2500 BCE*wéydos‘seeing’reconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*wéidosreconstructed
  4. Ancient Greekc. 800–300 BCEεἶδοςeîdos
  5. Ancient Greek, derivedc. 800–300 BCEθῠρεοειδήςthŭreoeidḗs‘Shield-shaped’
  6. New Latinmodernthyreoīdēs
  7. English1500–presentthyroid
  8. Englishtodayhyperthyroid

A compound of hyper- + thyroid

Proto-Indo-European *úp

Proto-Indo-European *upér ‘over, above’

Proto-Hellenic *hupér

Ancient Greek ὑπέρ ‘over’

English hyper-

Proto-Indo-European *dʰwer- ‘door’

…

Ancient Greek θῠ́ρᾱ ‘door’

Ancient Greek θῠρεός ‘an oblong shield’

Ancient Greek θῠρεοειδής ‘shield-shaped’

New Latin thyreoīdēs ‘Shaped like a shield’

English thyroid

Linked words

through Proto-Indo-European *weyd- ‘to see’

story, guy, video, idea, review, visit, evidence, advice, provide, interview, vision, guide, witness, historic, wisdom, visa, advise, invisible, wit, wizard, historian, evident, visibility, vista, wisely, witty, revise, guise, prudent, envious, jurisprudence, unwise, prudence, revue, avis, improvise, purview, druid, vide, twit, 105 more

through Proto-Indo-European *wéydos ‘seeing’

wise, 48 more

through Proto-Hellenic *wéidos

eidolon, steroidal, 48 more

through Ancient Greek εἶδος

idol, tabloid, steroid, idyll, colloid, trapezoid, sigmoid, hyoid, 50 more

through English thyroid

hypothyroidism, parathyroid, thyroxine, thyroiditis, 14 more

Today it means

adj of or pertaining to hyperthyroidism

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-Indo-European *weyd- / hyperthyroid