This is the 8793rd most frequent Polish word.
rugia
"Rugia" in Polish means "rebuke" or "reprimand."
In this sentence, 'Rugia' is used as the proper noun referring to the German island of Rügen.
Rugia to przepiękna wyspa na Bałtyku.
Rügen is a beautiful island on the Baltic Sea.
Here, 'rugi' is the plural form of the noun 'ruga', meaning reprimand or rebuke, in a literary or formal context.
Historyk w swojej książce opisuje rugie króla jako surowe i niezasłużone.
The historian describes the king's reprimands as harsh and undeserved in his book.
In this sentence, 'zrugał' is a derivative of 'ruga', used as a verb meaning to scold or reprimand someone.