Where does “poder” come from?

poder (Old Portuguese) comes from Vulgar Latin potere, from Latin possum, from Proto-Italic *possom.

Ancestry of “poder”, step by step

StepLanguageWordMeaning
1Vulgar Latinpotereto be able; second-person singular present...
2LatinpossumI am able, I can, I may
3Proto-Italic*possom—

Words derived from “poder”

Every word from Proto-Italic *possom →Every word from Latin possum →Every word from Vulgar Latin potere →
poder — Etymology, Origin & Word History | Etymology Explorer