Where does “sista-” come from?

sista- (Proto-Celtic) comes from Proto-Indo-European stísteh₂ti, from Proto-Indo-European steh₂- — to stand.

Ancestry of “sista-”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeanstísteh₂tito be standing up, to be getting up
2Proto-Indo-Europeansteh₂-to stand

Words derived from “sista-”

Every word from Proto-Indo-European steh₂- →Every word from Proto-Indo-European stísteh₂ti →
sista- — Etymology, Origin & Word History | Etymology Explorer