Where does “eporediese” come from?

eporediese (Italian) comes from Latin Eporedia, from Gaulish epos, from Proto-Celtic ekʷos, from Proto-Indo-European h₁éḱwos, from Proto-Indo-European h₁oh₁ḱu- — swift.

Ancestry of “eporediese”, step by step

StepLanguageWordMeaning
1LatinEporediasituated on the banks of the river Duria, now Ivrea
2Gaulisheposhorse
3Proto-Celticekʷoshorse
4Proto-Indo-Europeanh₁éḱwosstallion, horse
5Proto-Indo-Europeanh₁oh₁ḱu-swift
Every word from Proto-Indo-European h₁oh₁ḱu- →Every word from Proto-Indo-European h₁éḱwos →Every word from Proto-Celtic ekʷos →