Urundil
Urundil, means copper lover, a name given to Mahtan who set copper above gold and used to wear a copper circlet.
References
- J.R.R. Tolkien, Christopher Tolkien (ed.), The Peoples of Middle-earth, "The Shibboleth of Fëanor", note 61

Urundil, means copper lover, a name given to Mahtan who set copper above gold and used to wear a copper circlet.