The word "刚好" is formed through the conceptual fusion of its two component characters: "刚", which conveys the idea of something being precise, exact, or just at a certain point (like "just now" or "exactly"), and "好", which means good, proper, or satisfactory. When combined, they create a unified concept that describes an event or condition that is not merely coincidental, but is precisely and satisfactorily aligned with a specific moment, amount, or circumstance. It embodies the satisfying fit of something happening at the exact right time or being the exact right amount, merging precision ("刚") with ideal suitability ("好") into a single notion of perfect appropriateness.