The word "一举" is formed by combining the character "一", meaning "one", with the character "举", meaning "to lift" or "to raise". Together, they create a literal sense of "one lift", which functionally conveys the idea of a single action that achieves a complete result, as seen in compounds like "一举成名" (achieve fame in one move). The formation directly merges the numerical specificity of "一" with the action denoted by "举" to express efficiency or completeness in a single effort.