The word "跨过" is formed by combining the character "跨", which means to step over and is itself composed of the radical "足" (foot) indicating action related to the feet and the phonetic component "夸", with the character "过", which means to pass and is composed of the radical "辶" (walk) suggesting movement and the component "寸". Together, they create a compound verb where "跨" conveys the action of stepping and "过" conveys the sense of crossing or completing that action.