Where does “Equus Troianus” come from?

Equus Troianus (Latin) comes from Latin equus, from Proto-Italic ekwos, from Proto-Indo-European h₁éḱwos, from Proto-Indo-European h₁oh₁ḱu- — swift.

Equus Troianus (Latin): (Greek mythology) The hollow wooden horse by which the Greeks allegedly gained access to Troy during the Trojan War

Definitions

  1. (Greek mythology) The hollow wooden horse by which the Greeks allegedly gained access to Troy during the Trojan War

Ancestry of “Equus Troianus”, step by step

Equus Troianus traces back through two separate lines of ancestry.

via Latin equus

StepLanguageWordMeaning
1Latinequusa horse; a steed, charger
2Proto-Italicekwoshorse
3Proto-Indo-Europeanh₁éḱwosstallion, horse
4Proto-Indo-Europeanh₁oh₁ḱu-swift

via Latin Trōiānus

StepLanguageWordMeaning
1LatinTrōiānusTrojan
2LatinTrōia—
3Ancient GreekΤροίαTroy
Every word from Proto-Indo-European h₁oh₁ḱu- →Every word from Proto-Indo-European h₁éḱwos →Every word from Proto-Italic ekwos →