现代汉藏语系的许多语言都有前缀~*ａ－。已有为数不少的文章讨论了这一问题。然而，对这个前缀的起源，学术界并无一致的看法。这主要是因为汉藏语系的多数语言缺少古老的文献。本文拟就古代汉语中的材料来讨论古代民族语言中的前缀~*ａ-。１．乌翅　东汉文献中记载有西部古羌 Many languages ​​in modern Sino-Tibetan languages ​​have a prefix of ~ * a-. A large number of articles have been discussed in this issue. However, there is no consensus in academia about the origin of this prefix. This is mainly due to the lack of ancient literature in most languages ​​of the Sino-Tibetan language family. This article discusses the ancient Chinese language to discuss the prefix ~ * a-. 1. Wudong Eastern Han literature records the western ancient Qiang