Where does “blixtstilla” come from?

blixtstilla (Swedish) comes from Swedish stilla, from Old Swedish stilla, from Old Norse stilla, from Middle Low German stillen, from Old Saxon stillian, from Proto-West Germanic stillijan, from Proto-West Germanic -jan, from Proto-Germanic -janą — he, she.

Ancestry of “blixtstilla”, step by step

blixtstilla traces back through two separate lines of ancestry.

via Swedish stilla

StepLanguageWordMeaning
1Swedishstillastill, calm; to still; to make quiet
2Old Swedishstillato calm; to stop a flow; to suppress
3Old Norsestillato calm
4Middle Low Germanstillen
5Old Saxonstillian
6Proto-West Germanicstillijanto make still, quiet
7Proto-West Germanic-janCreates denominative verbs from nouns; Creates...
8Proto-Germanic-janąDerives denominatives from nouns and factitives...
9Proto-Indo-European-yétiCreates intransitive, often deponent,...
10Proto-Indo-Europeanyé-
11Chichewaiyehe, she

via Swedish blixt

StepLanguageWordMeaning
1Swedishblixtlightning; flash; a burst of light; flash; device...
Every word from Chichewa iyeEvery word from Proto-Germanic -janąEvery word from Proto-Indo-European -yéti