单词diachrony
n.: 【语】历时语言学
网络: 历时性；历时分析；历时状态
【语言学】历时语言学
Then, from the perspective of diachrony, the author systematically outlined the virtuality course of the affixes "old" .
接着本文从历时的角度入手，系统的勾勒了词缀“老”的虚化历程。
As a result, it seriously separate the organic connection of the development between its diachrony and synchrony.
其结果，严重割裂了事物发展在历时性与共时性之间的有机联系。
Diachrony and Synchrony in the Study of Chinese Characters"Grammaticalization
汉语语法化研究中的历时和共时