English
inotropic
Inotropic comes from Ancient Greek τρόπος ‘turn, direction, way’, and goes back to Proto-Indo-European *trep-.
- Proto-Indo-Europeanc. 4500–2500 BCE*trep-‘to turn’reconstructed
- Ancient Greekc. 800–300 BCEτρέπω‘turn, divert, turn back, rout an enemy’
- Ancient Greek, derivedc. 800–300 BCEτρόπος‘turn, direction, way’
- Englishtodayinotropic
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*trep-‘to turn’reconstructed
- Ancient Greekc. 800–300 BCEτρέπω‘turn, divert, turn back, rout an enemy’
- Ancient Greek, derivedc. 800–300 BCEτρόπος‘turn, direction, way’
- Englishtodayinotropic
Formed from ἴς ‘sinew, tendon’ + -tropic ‘affecting, changing’
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’
through Ancient Greek τρόπος ‘turn, direction, way’
Today it means
adj Increasing or decreasing the force of muscular contractions.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *trep- / inotropic