Comparative evidence

1.h₁reu̯dʰ, 1.reu̯dʰ

• Lat. rubeō -ēre ‘be red’, ‘become red’ (OLD: 1663)

• Lat. ruber -bra, -brum ‘red’ (OLD: 1663)

References

OLD = Glare, P. G. W. 1968. Oxford Latin Dictionary. Oxford: Clarendon Press.