The word "徘徊" is formed by combining two characters, each containing the radical "彳" denoting movement or walking. The character "徘" uses the component "非" primarily for its phonetic value, while "徊" uses "回" similarly for sound. Together, they create a disyllabic term where the shared radical reinforces the meaning related to pacing back and forth, and the phonetic components guide pronunciation, resulting in a word that conveys hesitation or wandering through this compounded structure.