Pyreväjoki
Pyreväjoki is a Finnish surname. The name originates from the Finnish words "pyreä", meaning steep or sheer, and "joki", meaning river. Thus, Pyreväjoki literally translates to "steep river" or "sheer river".
The surname is relatively uncommon in Finland. Like many Finnish surnames, it is likely to have originated
While specific genealogical research would be required to trace the exact origins of the Pyreväjoki family