Comparative evidence

gʷerh₁, gʷerh₂, gʷerh₃

• Lat. grātēs -ium, f. pl. ‘thanksgivings’ (OLD: 772)

• Lat. grātus -a, -um ‘grateful’, ‘thankful’, ‘appreciative’, ‘welcome’ (OLD: 774)

References

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