This is the 11912th most frequent Polish word.
ktoå
"Ktoś" means "someone" or "somebody" in English.
Here, "ktoś" serves as the subject of the sentence, denoting an unknown or unspecified person.
Ktoś zapukał do drzwi.
Someone knocked on the door.
In this example, "ktoś" is used in an interrogative sentence to ask about an unknown person who might have seen the keys.
Czy ktoś widział moje klucze?
Has anyone seen my keys?
"Ktoś" is used here within a negative context to express disbelief about an unnamed person performing an action.