Where does “roer” come from?

roer (Old Portuguese) comes from Latin rodere, from Latin rodo, from Proto-Indo-European rōd-, from Proto-Indo-European reh₁d- — to scrape, scratch, gnaw.

Ancestry of “roer”, step by step

StepLanguageWordMeaning
1Latinroderesecond-person singular future passive indicative...
2LatinrodoI gnaw, nibble, bite; eat or waste away, corrode,...
3Proto-Indo-Europeanrōd-—
4Proto-Indo-Europeanreh₁d-to scrape, scratch, gnaw

Words derived from “roer”

Every word from Proto-Indo-European reh₁d- →Every word from Proto-Indo-European rōd- →Every word from Latin rodo →