-halidom-

n. [ AS. hāligdōm holiness, sacrament, sanctuary, relics; hālig holy + -dōm, E. -dom. See Holy. ] 1. Holiness; sanctity; sacred oath; sacred things; sanctuary; -- used chiefly in oaths. [ Archaic ] [ 1913 Webster ]

So God me help and halidom. Piers Plowman. [ 1913 Webster ]

By my halidom, I was fast asleep. Shak. [ 1913 Webster ]

2. Holy doom; the Last Day. [ R. ] Shipley. [ 1913 Webster ]