This is the 960th most frequent Lithuanian word.
kažkur
"Kažkur" means "somewhere" in English.
In this sentence, 'kažkur' is used to refer to an unspecified or unclear location where the subject has placed their keys.
Aš kažkur padėjau savo raktus.
I placed my keys somewhere.
Here, 'kažkur' is used to inquire about a specific but unknown location where the book might be.
Ar tu matei kažkur mano knygą?
Have you seen my book somewhere?
In this sentence, 'kažkur' indicates an approximate or indeterminate place within a known range (the street).