This is the 4036th most frequent Polish word.
xv
The combination "xv" is not a valid word in Polish.
Here, 'xv' is referenced as an unknown or unclear term, possibly representing an abbreviation or a code.
Nie jestem pewien, jaki to xv.
I'm not sure what xv is.
In this instance, 'xv' seems to imply documents, items, or some form of data intended for review or study.
Otrzymaliśmy nowe xv do analizy.
We received new xv for analysis.
Here, 'xv' is treated as a subject or concept that requires clarification or further understanding.