criothnoghadh Definitions (by source) Show all An Teagasg Críosdaidhe act of trembling, 882, -nughadh 797; gu. criothaighthe 897. An Teagasg Críosdaidhe. Author: Bonabhentura Ó hEodhasa, O.F.M.. Editor: Fearghal Mac Raghnaill, O.F.M.