buairtheadhach
Definitions (by source)
‘roaring’; acc. sg. buairtheadhaigh, 53.10. See DIL s.v. 2 búir(f)edach
Aibidil Gaoidheilge & Caiticiosma: Seaán Ó Cearnaigh's Irish primer of religion, published in 1571. Editor: Brian Ó Cuív.