How old is Fuzhou dialect?
Fuzhou dialect has many sources. Ancient Chinese and Middle Chinese obviously remain in Fuzhou dialect, which is mainly due to the large-scale immigration during the Han, Jin and Tang Dynasties, as well as the remnants of Guqi and Gujin languages (for example, Fuzhou dialect has the truncation words of modern Jin language), and these sources gradually merged to form the current Fuzhou dialect. In the past 300 years, great changes have taken place in vowels, phonetic changes and vocabulary of Fuzhou dialect, but this change is extremely slow.