Where does “-sted” come from?

-sted (Skolt Sami) comes from Proto-Samic -stētēk, from Proto-Uralic -šta-.

Ancestry of “-sted”, step by step

Step	Language	Word	Meaning
1	Proto-Samic	-stētēk	Forms verbs indicating a quick action
2	Proto-Uralic	-šta-	—