Where does “guèrra” come from?

guèrra (Occitan) comes from Old Occitan guerra, from Late Latin werra, from Frankish *werʀu, from Proto-Indo-European wers-, from Proto-Indo-European wer- — to burn; to cover, heed, notice; squirrel.

guèrra (Occitan): war

Definitions

Ancestry of “guèrra”, step by step

Step	Language	Word	Meaning
1	Old Occitan	guerra	—
2	Late Latin	werra	—
3	Frankish	*werʀu	—
4	Proto-Indo-European	wers-	to wipe; peak, height
5	Proto-Indo-European	wer-	to burn; to cover, heed, notice; squirrel

Words derived from “guèrra”

guerrièr

Every word from Proto-Indo-European wer- →Every word from Proto-Indo-European wers- →Every word from Frankish *werʀu →