E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Half-done, as Elgin was burnt. In the wars between James II. of Scotland and the Douglases in 1452, the Earl of Huntly burnt one-half of the town of Elgin, being the side which belonged to the Douglases, but left the other side standing because it belonged to his own family. (Sir Walter Scott: Tales of a Grandfather, xxi.)