Where does “werre” come from?

werre (Old French) comes from Medieval Latin werra, from Frankish *werʀu, from Proto-Indo-European wers-, from Proto-Indo-European wer- — to burn; to cover, heed, notice; squirrel.

Ancestry of “werre”, step by step

StepLanguageWordMeaning
1Medieval Latinwerrawar, conflict; Alternative form of guerra
2Frankish*werʀu—
3Proto-Indo-Europeanwers-to wipe; peak, height
4Proto-Indo-Europeanwer-to burn; to cover, heed, notice; squirrel
Every word from Proto-Indo-European wer- →Every word from Proto-Indo-European wers- →Every word from Frankish *werʀu →