velocipede (n.)
1819, "wheeled vehicle propelled by alternate thrusts of each foot on the ground," 1819, from French vélocipède (19c.), from Latin velox (genitive velocis) "swift, speedy" (see velocity) + pedem, accusative of pes "foot" (from PIE root *ped- "foot").
Velocipede - French vélocipède, from Latin velox (“swift”) + pes (“foot”)
- an early form of bicycle propelled by working pedals on cranks fitted to the front axle.