ionnsa
Definitions (by source)
difficult; i. cúl re 24 25; i. do 48 16; céim- 35 2.
Aithdioghluim Dána: A Miscellany of Irish Bardic Poetry, Historical and Religious, including the Historical Poems of the Duanaire in the Yellow Book of Lecan. Vol II, Translations, Notes, Vocabulary. Editor: Lambert McKenna S.J.