preussia is the singular partitive or singular partitive of Preussi.

PreussiN

Norwegian Bokmål

PreussenN

Kven – Norwegian Bokmåldict-fkv-nob/src/Prop_fkvnob.xml:1989Edit on GitHub Suggest

Case	Sg
Nom	Preussi / preussi
Gen	Preussin / preussin
Par	Preussia / Preussii / preussia / preussii
Ill	Preusshiin / preusshiin
Ine	Preussissa / preussissa
Ela	Preussista / preussista