West Germany didn't recognise post-WWII borders until Brandt, I think.

Or is it something else altogether?

Something else altogether. It is of Turkic origins, was used already in pagan times, was used last by the Szeklers, and died out around 1850. Later nationalists developed a mythology around it. Today's far-right uses it both as an identifier of roots and a kinda-code-language.

_{*Lunatic*, n.
One whose delusions are out of fashion.}