Where does “estorma” come from?

estorma (Vulgar Latin) comes from Frankish sturm, from Proto-Germanic sturmaz, from Proto-Indo-European (s)twer- — to rotate, swirl, twirl, move around; to turn...

Ancestry of “estorma”, step by step

Step	Language	Word	Meaning
1	Frankish	sturm	storm, commotion, battle; storm
2	Proto-Germanic	sturmaz	storm
3	Proto-Indo-European	(s)twer-	to rotate, swirl, twirl, move around; to turn...

Words derived from “estorma”

stour
estour
estorme
estourmie
estormie
estur
stour
stor
stŵr
stwrio

Every word from Proto-Indo-European (s)twer- →Every word from Proto-Germanic sturmaz →Every word from Frankish sturm →