"footstep" in the noun sense
1. footfall, footstep, step
the sound of a step of someone walking
"he heard footsteps on the porch"
the act of taking a step in walking
3. footstep, pace, step, stride
the distance covered by a step
"he stepped off ten paces from the old tree and began to dig"
Source: WordNet® (An amazing lexical database of English)
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