This is the 1281st most frequent Turkish word.
demiş
"Demiş" means "has said" or "said" in English.
In this sentence, 'demiş' is used to indicate that the speaker, Ali, uttered these words in the past, and serves as a report of speech.
Ali dün toplantıda, 'Bu projeyi bitirmek zorundayız,' demiş.
Ali said in the meeting yesterday, 'We must finish this project.'
Here, 'demiş' is employed to explain the conveyed message indicating what the children reported seeing, functioning in reported speech.
Bahçede oynayan çocuklar, sabah annelerine kedi gördüklerini demiş.
The children playing in the garden told their mothers in the morning that they saw a cat.
This usage of 'demiş' reports the past action of Esra informing her friend about their accomplishment.