Akademik

stepping
noun (-s)
Etymology: Middle English, from gerund of steppen to step — more at step
1. : an act or instance of moving the feet (as in walking)
2.
a.
(1) : lumber suitable for steps
(2) : wood members especially formed for use in constructing step treads
b. : an export grade of yellow pine and fir

Useful english dictionary. 2012.