This is the 334th most frequent Marathi word.
आठवडय
"आठवडय" means "week" in English.
In this sentence, 'आठवडय़ाच्या शेवटी' refers to the time at the end of the week.
मी आठवडय़ाच्या शेवटी माझ्या मित्राला भेटणार आहे.
I will meet my friend at the end of the week.
Here, 'पुढील आठवड्यात' indicates an action planned for the upcoming week.
हा विषय पुढील आठवड्यात शिकवला जाईल.
This topic will be taught next week.
In this context, 'प्रत्येक आठवडयाला' specifies a recurring pattern occurring every week.