This is the 7519th most frequent Polish word.
krynicy
"Source" or "spring" (genitive form of "krynica").
Here, "Krynica" is used as a proper noun referring to the name of a specific place.
Krynica jest znanym uzdrowiskiem w Polsce.
Krynica is a well-known health resort in Poland.
In this sentence, "krynica" is used in a metaphorical sense, meaning a source or spring of knowledge.
Podróż do krynicy wiedzy jest pełna wyzwań.
The journey to the spring of knowledge is full of challenges.
Here, "krynica" refers to a literal physical spring, showing its original meaning as a source of water.