Welsh cad

← Proto-Brythonic *kad (inherited)

← Proto-Celtic *katus (inherited)

← Welsh Cadan (link)

← Welsh caed (link)

← Welsh cafwyd (link)

← Proto-Indo-European *keh₃- (root)

← Proto-Indo-European *kéh₃tus (inherited)

← Old Irish cath (cognate)

→ English Cadogan (mention)

→ Welsh Cadan (mention)

→ Welsh cadno (link)

→ Welsh cadau (affix)

→ Welsh cadoedd (affix)

→ Welsh croesgad (affix)

→ Welsh cadarn (mention)

→ Primitive Irish ᚉᚐᚈᚈᚒ (cognate)