English
thyroxine
Thyroxine comes from New Latin thyreoīdēs, from Ancient Greek θῠρεοειδής ‘Shield-shaped’, and ultimately from Proto-Indo-European *weyd- ‘to see’.
- Proto-Indo-Europeanc. 4500–2500 BCE*weyd-‘to see’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*wéydos‘seeing’reconstructed
- Proto-Hellenicc. 2200–1600 BCE*wéidosreconstructed
- Ancient Greekc. 800–300 BCEεἶδοςeîdos
- Ancient Greek, derivedc. 800–300 BCEθῠρεοειδήςthŭreoeidḗs‘Shield-shaped’
- New Latinmodernthyreoīdēs
- English1500–presentthyroid
- Englishtodaythyroxine
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*weyd-‘to see’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*wéydos‘seeing’reconstructed
- Proto-Hellenicc. 2200–1600 BCE*wéidosreconstructed
- Ancient Greekc. 800–300 BCEεἶδοςeîdos
- Ancient Greek, derivedc. 800–300 BCEθῠρεοειδήςthŭreoeidḗs‘Shield-shaped’
- New Latinmodernthyreoīdēs
- English1500–presentthyroid
- Englishtodaythyroxine
A compound of thyr- ‘thyroid’ + ox- ‘oxygen’ + -ine
Proto-Indo-European *weyd- ‘to see’
…
Ancient Greek εἶδος
Ancient Greek θῠρεοειδής ‘Shield-shaped’
New Latin thyreoīdēs
English thyroid
English thyr-
Linked words
through Proto-Indo-European *weyd- ‘to see’
story, video, guy, idea, evidence, review, visit, provide, advice, guide, interview, vision, historic, witness, wisdom, visa, advise, evident, wit, invisible, wizard, historian, visibility, vista, wisely, witty, revise, guise, prudent, envious, jurisprudence, unwise, prudence, revue, druid, vide, avis, improvise, purview, twit, 105 more
through Proto-Indo-European *wéydos ‘seeing’
through Proto-Hellenic *wéidos
through Ancient Greek εἶδος
idol, tabloid, steroid, idyll, trapezoid, colloid, hyoid, sigmoid, 50 more
through English thyroid
hypothyroidism, hyperthyroidism, parathyroid, thyroiditis, 14 more
Today it means
noun A thyroid hormone, with the chemical formula C₁₅H₁₁I₄NO₄, that regulates cell metabolism and growth.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *weyd- / thyroxine