Abstract: The word “tui” first appeared in Case Note of Ancient and Modern Rhyme Patterns, which means “take off the clothes” and the fading of flower: It further generalized into “take-off” or “fading” of anything. On this basis, the word meaning “tui” continued to be enriched and to derive. To study the derivative process of the word meaning of “tui” and its crossing relationships with “tui”(takeoff), tui (get off) and tui (cast) can retrieve some nouns and adjectives that fail to be collected by some dictionaries and conclude some of their special usage.

Key words: “tui”, tui (take-off), tui (get off), tui (cast)