Where does “estorme” come from?

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

Ancestry of “estorme”, step by step

estorme traces back through two separate lines of ancestry.

via Vulgar Latin estorma

StepLanguageWordMeaning
1Vulgar Latinestorma
2Frankishsturmstorm, commotion, battle; storm
3Proto-Germanicsturmazstorm
4Proto-Indo-European(s)twer-to rotate, swirl, twirl, move around; to turn...

via Latin storma

StepLanguageWordMeaning
1Latinstormabattle, conflict, storm
Every word from Proto-Indo-European (s)twer-Every word from Proto-Germanic sturmazEvery word from Frankish sturm