This is the 8182nd most frequent Spanish word.
pnv
It seems "pnv" is not a word in Spanish. It might be a typo or abbreviation not recognized as a standard term.
PNV here is an acronym used as a proper noun to indicate a specific political party.
El término PNV se utiliza para referirse al Partido Nacionalista Vasco.
The term PNV is used to refer to the Basque Nationalist Party.
In this case, PNV again refers to the Basque Nationalist Party being discussed in a historical context.
La historia del PNV muestra su influencia en la política regional.
The history of the PNV shows its influence on regional politics.
In this use, PNV is referenced as an entity whose values and principles are subject to investigation or study.