odometer

Meanings

1. An instrument, usually embedded within the speedometer of a vehicle, that measures the distance the vehicle has traveled since production.
2. A wheel used by surveyors, which registers distance traveled.

Etymology

From French odomètre, from Ancient Greek ὁδός (hodós, “road, path, way”) + μέτρον (métron, “measure”), equivalent to odo- + -meter.