The word "依托" is formed by combining the characters "依" and "托". "依" means to rely or depend, originating from the radical "人" (person) combined with "衣" (clothing), suggesting reliance. "托" means to support or entrust, derived from the radical "扌" (hand) and the phonetic component "乇", indicating action involving support. When merged, these characters create a compound word where "依" emphasizes dependence and "托" emphasizes upholding, together conveying the meaning of relying on or basing something upon a support.