This is the 701st most frequent Polish word.
kwestii
"Kwestii" is the genitive or dative singular form of "kwestia," meaning "matter," "issue," or "question."
In this sentence, 'kwestii' is used in the meaning of 'issue' or 'matter,' referring to a specific topic under discussion.
Nie jestem pewien tej kwestii.
I am not sure about this issue.
Here, 'kwestii' is used to mean 'regarding' or 'about,' indicating it introduces the context of a question.
W kwestii twojego pytania, odpowiedź brzmi tak.
Regarding your question, the answer is yes.
In this example, 'kwestii' is utilized to mean 'in the matter of,' denoting involvement in an important issue.