The name Goibniu is derived from the Old Irish word 'gobae', meaning 'smith'. In Irish mythology, Goibniu was a divine metalsmith and weapon maker of the Tuatha Dé Danann. He was not only a master craftsman but also provided feasts that protected the gods from old age. His name is related to the Welsh Gofannon and the Gaulish Gobannus, indicating a shared Celtic heritage of smithing deities.