Old Irish cenn

← Breton penn (cognate)

← Proto-Celtic *kʷennom (inherited)

← Welsh pen (cognate)

→ Irish cinn (mention)

→ Irish ceann (inherited)

→ Irish cloigeann (mention)

→ Irish inchinn (mention)

→ Irish ceannann (mention)

→ Scottish Gaelic ceann (inherited)

→ Manx kione (inherited)

→ Middle Irish cenn (inherited)

→ Old Irish cloicenn (compound)

→ Old Irish forcenn (affix)