ard-athair
Definitions (by source)
m., patriarch, gen. –ar, 230; pl. gen. –aithreach, 404; dat. –aithreachaibh
Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death. Editor: Osborn Bergin.
Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death. Editor: Osborn Bergin.