411 REFERENCE · Wiktionary
Airgialla
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
en sga Airgíalla.
Proper noun
A medieval overkingdom encompassing present-day Ireland.
en 1922 John Ryan Ireland from A.D. 800 to A.D. 1600 Browne and Nolan 282 https://books.google.com/books?id=Ip7IDwAAQBAJ&pg=PA282&dq=%22overkingdom%22&hl=&cd=3&source=gbs_api#v=onepage&q=%22overkingdom%22&f=false The overkingdom of Airgialla comprising Armagh, Monaghan, parts of Louth, Fermanagh, and Tyrone, had ceased to be when the Book of Rights was compiled.