The word "弄巧成拙" is formed by sequentially combining the characters "弄" (to do or play with), "巧" (cleverness), "成" (to become), and "拙" (clumsiness), where "弄巧" describes the act of employing cleverness, and "成拙" indicates the result of turning into clumsiness, directly illustrating a cause-and-effect relationship where attempted cleverness leads to a blunder.