= process by which a human's foot or both feet come in forcible contact with a stone or other object while travelling, which may result in stumbling and injury; usually used in a figurative way to denote sustaining any kind of hardship in life
to hurt one's foot (on something) > to hurt oneself, to stumble
Impact
= causative action by which humans or animals deliver a heavy blow to other humans or animals, resulting in serious harm or injury, and, in the case of an army, defeat