The word 最好 is formed through the direct combination of two independent characters: 最, meaning "most" or "extremely", and 好, meaning "good" or "well". Their union is a conceptual fusion where the superlative intensity of 最 modifies the core quality of 好, creating a new, unified concept that inherently means "the best" or "optimally". This formation exemplifies a common Chinese morphological process where modifying a root character with a degree adverb produces a compound expressing a heightened, often ideal, state or conclusion.