Tethra

Tethra [' t ʴ eθra ] was in Celtic mythology of Ireland, a king of the Fomorians, called the "father of Fomori " and after his death, ruler of the mythical island of Reich Mag Mell. He was the uncle Forgall Manachs, the father of Cú Chulainn 's wife Emer.

Etymology and Mythology

The name probably comes from the Proto Tethra - Indo-European word * tet ( e) ro ( " quakendes, chattering noise ", a synonym for water, especially the sea ). Because of this sea - name, it is often equated with Manannan mac Lir. The fish of the sea were called " Tethras herds ".

Tethra together with Balor and Indech the host of the Fomorians in the second battle of Mag Tuired. He has the singing sword Orna, which can snatch him Ogma. After he falls in this battle against the Tuatha Dé Danann, he is the ruler of Mag Mell ( " plain of joy "), a Hüllwort for the Celtic Otherworld. Manannan mac Lir, who is also called in this function, so it was either his co-regent or his alter ego.

Another king of Mag Mell Goll mac Duilb is mentioned in the narration of Laeghaire Mac Crimhthainn.