This is the 14175th most frequent Polish word.
prawnicze
"Prawnicze" means "legal" or "related to law."
In this sentence, 'prawnicze' describes the type of studies the person is attending, specifically pertaining to law.
On uczęszcza na studia prawnicze.
He attends law studies.
Here, 'prawnicze' qualifies the type of advice provided, indicating its relation to the field of law.
Jej prawnicze porady bardzo mi pomogły.
Her legal advice helped me a lot.
In this usage, 'prawnicze' characterizes the nature of the document as being purely related to legal matters.