dobhuidheach
Definitions (by source)
ungrateful, 2039. Al. dombuidheach, 6016. Hence dobhuidheachas, ingratitude, 817, 3333, 6259; gs. -ais, as adj., 1310.
Desiderius, otherwise called Sgáthán an Chrábhaidh. Editor: Thomas F. O’Rahilly.