Old Irish cath

← Proto-Celtic *katus (inherited)

← Proto-Indo-European *keh₃- (root)

← Proto-Indo-European *kéh₃tus (inherited)

← Primitive Irish ᚉᚐᚈᚈᚒ (inherited)

→ Welsh cad (cognate)

→ Irish cath (inherited)

→ Irish Donncha (mention)

→ Irish cafarr (mention)

→ Irish cathais (mention)

→ Scottish Gaelic Donnchadh (mention)

→ Scottish Gaelic cath (inherited)

→ Manx cah (inherited)

→ Manx caggey (mention)

→ Manx Donnaghey (mention)

→ Manx cagg (mention)

→ Old Irish cocad (prefix)

→ Old Irish cathach (affix)

→ Old Irish Muircath (compound)

→ Albanian kath (cognate)