floorboard

lattialauta

lattia Any of the long boards laid over joists to make a floor.
The floor of a car.
1999, The Crusade for Justice: Chicano Militancy and the Governments War on Dissent'', by Ernesto B. Vigil, page 212

The officers said they found two rifles in the car, one on the front floorboard of the vehicle and another on the rear floorboard.

I floorboarded the gas pedal and cut over sharply to the right, threatening the Cadillac's fenders and its driver's life.