E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Christiana [ch = k].
The wife of Christian, who started with her children and Mercy from the City of Destruction long after her husband. She was placed under the guidance of Mr. Great-Heart, and went, therefore, in silver slippers along the thorny road (Bunyan: The Pilgrims Progress, part ii.).