The word "治愈" is formed by combining two individual characters, each with its own meaning, to create a new, composite concept. The first character, "治" (zhì), carries the core idea of managing, governing, or most pertinently, healing or treating an ailment. It is joined with "愈" (yù), which means to recover or to become well again. When placed together, they sequentially and logically depict the process and outcome: the act of applying healing ("治") leads to the state of recovery and wellness ("愈"). This fusion naturally extends beyond physical health to describe anything that provides deep, restorative comfort to the mind or spirit.