Where does “guerreiro” come from?

guerreiro (Old Portuguese) comes from Old Portuguese guerra, from Latin guerra, from Frankish werru, from Proto-Germanic werrō, from Proto-Germanic werzō, from Proto-Indo-European wers-, from Proto-Indo-European wer- — to burn; to cover, heed, notice; squirrel.

Ancestry of “guerreiro”, step by step

StepLanguageWordMeaning
1Old Portugueseguerrawar
2Latinguerrawar
3Frankishwerruconfusion, riot; riot, disturbance, quarrel;...
4Proto-Germanicwerrōconfusion, disarray; conflict, strife
5Proto-Germanicwerzō
6Proto-Indo-Europeanwers-to wipe; peak, height
7Proto-Indo-Europeanwer-to burn; to cover, heed, notice; squirrel

Words derived from “guerreiro

Every word from Proto-Indo-European wer-Every word from Proto-Indo-European wers-Every word from Proto-Germanic werzō