Etymograph

English

thyrotropic

Thyrotropic comes from Ancient Greek τροπῐκός ‘of or pertaining to a turn or change’, from τροπή ‘a turning’, and ultimately from Proto-Indo-European *trep- ‘to turn’.

  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 BCEτροπήtropḗ‘a turning’
  4. Ancient Greek, derivedc. 800–300 BCEτροπῐκόςtropĭkós‘of or pertaining to a turn or change’
  5. Englishearliest quotation 2015thyrotropic

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 BCEτροπήtropḗ‘a turning’
  4. Ancient Greek, derivedc. 800–300 BCEτροπῐκόςtropĭkós‘of or pertaining to a turn or change’
  5. Englishearliest quotation 2015thyrotropic

Earliest quotation: 2015, Mara Marongiu et al.: “Foxl2 is also expressed in the gonadotropic cells of…”

A compound of thyro- + -tropic

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’

trope, troubadour, contrive, 24 more

through Ancient Greek τροπή ‘a turning’

trophy, 9 more

Today it means

adj Able to stimulate the action of the thyroid gland

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

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