Polish · Question Words
whose
Used to ask about ownership.
Czyj to plecak?
Whose backpack is this?
'Czyj' originates from the Proto-Slavic *čьji, referring to possession. Its role as an interrogative pronoun has been stable throughout history.
'Czyj' is used in both spoken and written Polish, fitting in both formal and informal contexts as a possessive question word. It is universally understood.