English
exotropia
Exotropia comes from Ancient Greek τρόπος ‘a turn’, and goes back to Proto-Indo-European *trep-.
- Proto-Indo-Europeanc. 4500–2500 BCE*trep-1‘to turn’reconstructed
- Ancient Greekc. 800–300 BCEτρέπω2‘turn, divert, turn back, rout an enemy’
- Ancient Greekc. 800–300 BCEτρόπος3trópos‘a turn’
- Englishtodayexotropia3
attested reconstructed ? uncertain or disputed deepest recorded ancestor
- 1 Wiktionary, Ancient Greek τρέπω, which cites Beekes
- 2 Wiktionary, Ancient Greek τρόπος
- 3 Wiktionary, English exotropia
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*trep-Wiktionary, Ancient Greek τρέπω, which cites Beekes‘to turn’reconstructed
- Ancient Greekc. 800–300 BCEτρέπωWiktionary, Ancient Greek τρόπος‘turn, divert, turn back, rout an enemy’
- Ancient Greekc. 800–300 BCEτρόποςWiktionary, English exotropiatrópos‘a turn’
- EnglishtodayexotropiaWiktionary, English exotropia
Linked words
through Proto-Indo-European *trep- ‘to turn’
thrive, intrepid, trepidation, turpitude, 27 more
through Ancient Greek τρέπω ‘turn, divert, turn back, rout an enemy’
through Ancient Greek τρόπος ‘a turn’
Today it means
noun A form of strabismus in which the eyes deviate outwards.
Sources
Sources: Wiktionary, “exotropia”; the older steps come from the Wiktionary entries for Ancient Greek τρέπω, Ancient Greek τρόπος. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / Proto-Indo-European *trep- / exotropia