(The ). The frontier of England and Scotland, which, from the eleventh to the fifteenth century, was the field of constant forays, and a most fertile source of ill blood between North and South Britain.
March, march, Ettrick and Teviotdale; Why the deil dinna-ye march forward in order? March, march, Eskdale and Liddesdale- All the Blue Bonnets are bound for the border.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894