The word 踟躇 is formed by combining two characters, each structured as a phono-semantic compound. Both 踟 and 躇 share the radical 足 (foot), which semantically relates to walking or movement, while the components 知 (zhī) in 踟 and 著 (zhù) in 躇 primarily provide phonetic cues. Together, they create a disyllabic term that visually emphasizes hesitant walking through the repeated foot radicals, conveying the meaning of hesitation or wavering.