Failinis

Dog in one cycle of Irish mythology

Failinis [FAW IHN-ish] or Ṡalinnis/Shalinnis is a dog in the Mythological Cycle of Irish literature, belonging to Lugh Lámhfhada of the Tuatha Dé Danann; it was one of the eric (reparation) items exacted from the sons of Tuireann. It was originally the hound-whelp of the smith or the king of Iruaith (Ioruath, Hiruaidhe, etc.).