This is the 819th most frequent Turkish word.
nedeni
"Reason" or "cause."
Here, 'nedeni' is used as a noun meaning 'reason,' indicating the cause of an action or situation.
Okula geç kalmamın nedeni sabah erken kalkamamamdır.
The reason I was late to school is that I couldn't wake up early in the morning.
Here, 'nedeni' is used to abstractly reference the cause, underlying the analysis of consequences.
Sonuçları anlamanın en iyi yolu nedenini öğrenmektir.
The best way to understand the results is to learn the reason behind them.
In this sentence, 'nedeni' expresses the cause or factor behind a specific outcome.