Where does “rō” come from?

rō (Middle High German) comes from Old High German rāo, from Proto-West Germanic hrau, from Proto-Germanic hrawaz, from Proto-Indo-European krewh₂- — blood outside the body.

Ancestry of “rō”, step by step

rō traces back through two separate lines of ancestry.

via Old High German rāo

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

via Old High German ro

StepLanguageWordMeaning
1Old High Germanroraw

Words derived from “rō”

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