Definition of "ayont"

How he escaped a broken neck in that dreadful place no human being will ever ken. The sweat, he has told me, stood in cold drops upon his forehead; he scarcely was aware of the saddle in which he sat, and his eyes were stelled in his head so that he saw nothing but the sky ayont him.

1902, John Buchan, The Outgoing of the Tide

Ayont the windows in the waning of the afternoon, Chris could see the frozen glister of night on the Grampians […].

1934, Lewis Grassic Gibbon, Grey Granite (A Scots Quair), Polygon, published 2006, page 485