简论“乌衣”的词义变化

Research into the changes of Wuyi's meaning

词汇的意义总是随着时代的发展而变化的，其间往往会有很多反复。本文拟从考察“乌衣”一词的演变入手，大致勾勒出该词变迁的轮廓，从而说明词义演变的轨迹。

The meaning of words changes with time flows, which however, always turns out to be reversal. Begining with the research into changes of Wuyi' s meaning, this article engaged in drafting out the schetch of the word's change. Thus, the way of changes naturally get it's pitch.