Where does “saistak” come from?

saistak (Proto-Finnic) comes from Proto-Uralic sańśa-, from Proto-Uralic säńśä- — to stand.

Ancestry of “saistak”, step by step

StepLanguageWordMeaning
1Proto-Uralicsańśa-to stand
2Proto-Uralicsäńśä-to stand
Every word from Proto-Uralic säńśä-Every word from Proto-Uralic sańśa-