The story
- Proto-Indo-European*h₂weh₁-
- Latinvelox
- Proto-Indo-European*ped-
- Proto-Indo-European*pṓds
- Proto-Italic*pets
- Latinpēs
- Frenchvélocipède
- Frenchvélo
- Proto-Indo-European*HéHḱus
- Proto-Indo-European*h₁éḱwos
- Proto-Hellenic*íkkʷos
- Ancient Greekῐ̔́ππος (hĭ́ppos)
- Proto-Indo-European*drem-
- Ancient Greekδρόμος (drómos)
- Ancient Greekῐ̔ππόδρομος (hĭppódromos)
- Latinhippodromo
- Frenchhippodrome
- Frenchvélodrome
- English todayvelodrome
Borrowed from French vélodrome, from vélo + -drome. By surface analysis, velo- + -drome.
Etymology from Wiktionary, CC BY-SA 4.0.