aonmhadh
Definitions (by source)
ordinal numeral of aon used in conjunction with déag; An t-aonmhadh airtiogal dég ‘eleventh’ 50.20
Aibidil Gaoidheilge & Caiticiosma: Seaán Ó Cearnaigh's Irish primer of religion, published in 1571. Editor: Brian Ó Cuív.
ordinal of aon, used with composite numerals, an t-aonmhadh c. déag, ‘the eleventh,’ 1892
Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death. Editor: Osborn Bergin.