síordhaidhe
Definitions (by source)
‘eternal’; síodhraighe 21.4, 34.18, 40.8-9; síoghruidhe 37.9; sióruighe 49.21
Aibidil Gaoidheilge & Caiticiosma: Seaán Ó Cearnaigh's Irish primer of religion, published in 1571. Editor: Brian Ó Cuív.
everlasting, 530, 882
Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death. Editor: Osborn Bergin.