Percolation

弥散

In grammar, a process whereby a feature associated with the head of a construction comes to be associated with the construction as a whole; also called trickling. It has come to be used chiefly in generative morphology for the analysis of words in terms of heads.

语法术语，指原与构式的中心语有关的一个特征变为与整个构式相关。主要用于生成形态学对词作中心成分分析。