rhafnwydd (Welsh) comes from Welsh gwŷdd, from Middle Welsh gwyð, from Proto-Brythonic *gwuɨð, from Proto-Celtic *weidus, from Proto-Indo-European h₁weydʰh₁-, from Proto-Indo-European dwi-, from Proto-Indo-European dwóh₁ — two.
rhafnwydd (Welsh): buckthorn (Rhamnaceae), especially genus Rhamnus
Definitions
buckthorn (Rhamnaceae), especially genus Rhamnus
Ancestry of “rhafnwydd”, step by step
rhafnwydd traces back through two separate lines of ancestry.