《辞海》载:“唐置慈溪县,明改溪为谿,清仍之。”体例决定但叙事而不言其缘故。近读谈迁《枣林杂俎》得见:永乐十六年,慈溪县失印,请更铸。朝议恐旧印复出,易为奸,改印文从谷,曰“慈谿”。事出有因,特意使用异体字,亦为防微杜渐,避免作奸犯科之一法。慈溪改字的由来@余甘子 “Cihai” contains: “Tang Cixi County, the Ming River to Brook Creek, the Qing is still.” However, the narrative but decided not to say the reason. Nearly read the change “jujube miscellaneous” was seen: Yongle sixteen years, Cixi County, India, please cast. North Korea plans to reprint the fear of the old, easy to rape, change the text from the valley, said “Cixi.” Something out of reason, the specific use of different characters, but also to prevent minor errors, to avoid adultery section of a law. Cixi change the origin @ Emblica