E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
A hassock stuffed with straw; a bedproperly, a straw bed; whence the cant word for a lodging-house is a dossingken. Dossel is an old word for a bundle of hay or straw, and dosser for a straw basket. These words were common in Elizabeths reign. The French dossier means a bundle.