This is the 73rd most frequent Croatian word.
kazao
"Kazao" means "said" or "told" in English.
The word 'kazao' here is employed to convey that the person did not state or notify about a piece of information in the past.
Nije kazao koliko će dugo ostati.
He didn't mention how long he will stay.
Here, 'kazao' is used to mean 'told', specifically in past tense, indicating the act of communicating something verbally.
On mi je kazao nešto zanimljivo.
He told me something interesting.
In this sentence, 'kazao' is used to express a past action of telling or informing someone not to perform an action.