Etymograph

English

thyrotrope

Thyrotrope comes from Latin tropus ‘a figurative use of a word, a trope’, from Ancient Greek τρόπος ‘a turn, way, manner, style’, and ultimately from Proto-Indo-European *trep-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*trep-‘to turn’reconstructed
  2. Ancient Greekc. 800–300 BCEτρέπωtrépō‘turn, divert, turn back, rout an enemy’
  3. Ancient Greek, derivedc. 800–300 BCEτρόποςtrópos‘a turn, way, manner, style’
  4. Latinc. 75 BCE–200 CEtropus‘a figurative use of a word, a trope’
  5. Englishtodaythyrotrope

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*trep-‘to turn’reconstructed
  2. Ancient Greekc. 800–300 BCEτρέπωtrépō‘turn, divert, turn back, rout an enemy’
  3. Ancient Greek, derivedc. 800–300 BCEτρόποςtrópos‘a turn, way, manner, style’
  4. Latinc. 75 BCE–200 CEtropus‘a figurative use of a word, a trope’
  5. Englishtodaythyrotrope

A compound of thyro- + -trope

Proto-Indo-European *weyd- ‘to see’

…

Ancient Greek εἶδος

Ancient Greek θῠρεοειδής ‘Shield-shaped’

New Latin thyreoīdēs

English thyroid

English thyro-

Linked words

through Proto-Indo-European *trep- ‘to turn’

thrive, intrepid, trepidation, turpitude, 31 more

through Ancient Greek τρέπω ‘turn, divert, turn back, rout an enemy’

trophy, tropic, 24 more

through Latin tropus ‘a figurative use of a word, a trope’

troubadour, contrive, 7 more

Today it means

noun An endocrine cell in the anterior pituitary which produces thyroid-stimulating hormone in response to thyrotropin-releasing hormone.

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

Etymograph / Proto-Indo-European *trep- / thyrotrope