treading


 * tread**

 / trɛd /  **//–verb (used without object)//**
 * 1. || to set down the foot or feet in walking; step; walk. ||


 * 2. || to step, walk, or trample so as to press, crush, or injure something (usually fol. by on or upon ): to tread on a person's foot. ||

Treading often hints that someone is getting hurt or //tread// upon.
 * 3. || (of a male bird) to copulate. ||