tríocha(d)
Definitions (by source)
thirty.
Stories from Keating's History of Ireland. Editor: Osborn Bergin.
thirty; gen. tríochad; [but the MSS. have .30., eg. 5215-17; in other MSS. of the period the nom. is often tríochat, tríochad]
Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death. Editor: Osborn Bergin.