This is the 5265th most frequent Swedish word.
etc
"Etc" in Swedish is an abbreviation for "et cetera," meaning "and so on" or "and other similar things."
Here, 'etc' is used to imply additional items of the same categorization that were not explicitly listed.
Vi behöver köpa papper, pennor, etc, innan skolan börjar.
We need to buy paper, pens, etc, before school starts.
The use of 'etc' here indicates there are other sports the speaker likes beyond the ones mentioned.
Jag gillar olika sporter som fotboll, volleyboll, etc.
I like various sports such as football, volleyball, etc.
In this case, 'etc' is used to suggest there are other party-related consumables or items available besides the mentioned snacks and drinks.