This is the 58th most frequent Greek word.
γιατί
"Γιατί" means "why" or "because" in English, depending on the context.
In this sentence, 'γιατί' is used to form a question asking for a reason or cause, meaning 'why' in English.
Γιατί δεν ήρθες στο πάρτι χθες;
Why didn't you come to the party yesterday?
Here, 'γιατί' acts as a subordinating conjunction introducing a reason clause, translated as 'why' in English.
Δεν ξέρω γιατί έφυγε νωρίτερα.
I don't know why he left earlier.
In this sentence, 'γιατί' indicates a cause or reason, equivalent to 'because' in English.