This is the 1821st most frequent Turkish word.
cumartesi
"Cumartesi" means "Saturday" in English.
The word 'cumartesi' is used here to indicate a specific day on which an action took place.
Cumartesi günü sinemaya gittim.
I went to the cinema on Saturday.
The term 'cumartesi' is being used with a demonstrative ('bu') to specify the coming Saturday.
Bu cumartesi hava güzel olacak.
The weather will be nice this Saturday.
Here, 'cumartesi' is combined with 'her,' meaning 'every,' to create a recurring context.