siabhartha
Definitions (by source)
demoniacal, 4678.
Scáthán Shacramuinte na hAithridhe. Editor: Cainneach Ó Maonaigh O.F.M.
ghastly, 1976, 6656, 6680
Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death. Editor: Osborn Bergin.