This article tries to describe the development of Chinese vocabulary from the Ancient ages to the Middle ages by researching the words in Erya and their glosses by Guo Pu, and thus finds the law of the development.

• 本文试图通过对《尔雅》和郭注中对应词语的考察,来描写出汉语词汇从上古到中古发展状态的一个方面,从中找出其发展变化的规律。