I am not a linguist, but I was reading the Wikipedia page on Grimm's law.
As far as I understand, this explains a certain evolution of the sounds for in the Germanic languages. Which was obtained while comparing German with other languages sharing the same sources.
From there, Jacob Grimm devised some chains about how those sounds evolved.
I was wondering whether this law was extensible to other languages? And specifically whether is it supposed to follow the same path? Or does each language family have its own path?