mainneachtnach
Definitions (by source)
remiss, 1457, 2615. Hence mainneachdnaighe, negligence, remissness, p. 17 n., 893, 1372, 1451, 1848, -77 (all of which, except the first, = Sp. ‘ negligencia ').
Desiderius, otherwise called Sgáthán an Chrábhaidh. Editor: Thomas F. O’Rahilly.