'foot-related' originates from the combination of 'foot' and the suffix '-related', where 'foot' refers to the lower extremity of the leg below the ankle, and '-related' indicates a connection or association.

The term 'foot-related' evolved from the need to describe conditions or items associated with the foot, combining the noun 'foot' with the adjective-forming suffix '-related'.

Initially, it meant 'associated with the foot', and this meaning has remained consistent in modern usage.