This is the 286th most frequent Greek word.
κανείς
"Κανείς" means "anyone," "someone," or "no one," depending on context.
In this sentence, "κανείς" is used as an indefinite pronoun in a negative context to indicate 'nobody'.
Κανείς δεν ήρθε στο πάρτι χθες.
Nobody came to the party yesterday.
Here, "κανείς" is employed as an indefinite pronoun in an interrogative context to mean 'anyone'.
Μήπως είδε κανείς τα κλειδιά μου;
Has anyone seen my keys?
This instance uses "κανείς" as an indefinite pronoun in a negative statement to signify 'no one'.