←
Proto-Celtic *wēdos (inherited)
←
Proto-Celtic *gesdā (inherited)
←
Proto-Indo-European *weyd- (derived)
←
Middle Irish géd (cognate)
←
Old Irish fíad (cognate)
←
Middle Welsh gwyð (inherited)
←
Middle Welsh guit (inherited)
→
Scottish Gaelic gèadh (cognate)