The word "旷世" is formed by combining the character "旷", meaning vast or open, with "世", meaning world or era. "旷" is structured with the radical "日" (sun) and the component "广" (expanse), contributing to its sense of spaciousness. "世" originates from a pictograph representing a generation or period. Together, they create a compound where "旷" modifies "世" to convey the idea of something so exceptional it is unmatched across time, hence meaning "unparalleled through the ages".