Where does “urdhún” come from?
urdhún (Irish) comes from Old Irish airdún — place or building in front of a {{m|sga|dún}}.
urdhún (Irish): bastion
Ancestry of “urdhún”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Old Irish | airdún | place or building in front of a {{m|sga|dún}} |