Footfall (noun)

1. The sound of a footstep, especially the sound made by many footsteps.
2. The number of people who visit a particular place, typically a shop or commercial area.
3. The action of walking or the sound made by walking.

Origin:

Early 20th century: from foot + fall, originally in the sense 'a step taken in walking'.

Examples:

1. The footfall of the marching soldiers echoed in the quiet street.
2. The footfall of the busy shopping center was very high during the holidays.
3. The footfall in the park was much lower during the winter months.
4. The footfall of the church was at its highest during the Sunday service.
5. The footfall of the museum was at its peak during the summer months.