ith-iomrádh Definitions (by source) Show all Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death m., back-biting, 2943, 7280 Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death. Author: Geoffrey Keating. Editor: Osborn Bergin.