díomhaoin
Definitions (by source)
idle, 1340, 2110, -īo- 1212, 2221, vain, 2298-9; go d., in vain, 1707, 1920-1, without reason, 1976.
An Teagasg Críosdaidhe. Editor: Fearghal Mac Raghnaill, O.F.M.
(1) idle, unoccupied, ‘ ocioso,’ 728, 6772. ní bhíu d., ‘ me conviene estar occupada,’ 1453. (2) idle, vain, useless, unprofitable, 1577, 2012 (‘ vana ’), etc. Al. díomhaoineach, idle, unoccupied, 1378, 6774 ; vain, unprofitable, 1230. Cf. neimhdhíomhaoineach, busy, occupied, 1203. Hence díomhaoineas, ' vanidad,’ 1235, 2916, etc. d. an tshaoghail, ' vanidades del mundo,’ 2497.
Desiderius, otherwise called Sgáthán an Chrábhaidh. Editor: Thomas F. O’Rahilly.