Where does “rou” come from?

rou (Middle Dutch) comes from Old Dutch rao, from Proto-West Germanic hrau, from Proto-Germanic hrawaz, from Proto-Indo-European krewh₂- — blood outside the body.

Ancestry of “rou”, step by step

StepLanguageWordMeaning
1Old Dutchrao—
2Proto-West Germanichrauraw
3Proto-Germanichrawazraw, uncooked
4Proto-Indo-Europeankrewh₂-blood outside the body

Words derived from “rou”

Every word from Proto-Indo-European krewh₂- →Every word from Proto-Germanic hrawaz →Every word from Proto-West Germanic hrau →