>>508779817
>do you even know what does the word Moscow (Moskva) mean?
Name of the river, which got it's name from Finnish (meaning swamp or something). It doesn't matter. What matters is that Moscovian tsar paid tribute to Polish king in Warsaw in 1611, submissing Moscovia to Poles. It was probably first time Russian foot stood in Warsaw so it makes Moscow legitimately Polish town, along with territories around it.

You can keep the name Moskwa, because it's exactly the same in Polish and Russian.