Where does “rooto” come from?

rooto (Proto-Finnic) comes from Proto-Germanic rōdō, from Proto-Indo-European rōt-.

Ancestry of “rooto”, step by step

StepLanguageWordMeaning
1Proto-Germanicrōdōrod, pole
2Proto-Indo-Europeanrōt-—
Every word from Proto-Indo-European rōt- →Every word from Proto-Germanic rōdō →