Where does “*kruHrás” come from?

*kruHrás (Proto-Indo-European) comes from Proto-Indo-European krewh₂- — blood outside the body.

Ancestry of “*kruHrás”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	krewh₂-	blood outside the body

*kruHrás — Etymology, Origin & Word History | Etymology Explorer