“贞”字为什么从卜、贝,为什么与“鼎”字通用?“贞”字究竟是怎样由来的?这些问题成了历史的疑案,久久不能解决。至少在许慎说:“古文以贞为鼎,籀文以鼎为贞”的时候已经迷惑了。本文运用甲骨文中的材料,对“贞”字的由来作一肤浅的探讨。贞,《说文解字》:“卜问也,从卜、贝以为贽;一曰鼎省声,京房所说。”许慎把“贞”训 Why is the word “Zhen” from Bu, Bei, and “Ding” common?? “Zhen” is exactly what the origin of these questions has become a historical mystery, a long time can not be solved. At least Xu Shusheng said: “The ancient prose to Zhen, Ding Wen to Ding for Zhen,” the time has been confused. This article uses the material in Oracle to make a shallow discussion on the origin of the character “Zhen”. Zhen, “Explain Word”: “Bu asked also, from Bu, Pui thought 贽; Ding said the sound of a song, Beijing Fang said.” Xu Shen “Zhen ” training