How did Waitrose get its name?

The supermarket chain dates back to 1904 when it was founded as a small grocery store in Acton in west London by Wallace Waite, Arthur Rose and David Taylor. A few years later, after Taylor had left the business, it became known as "Waitrose".

source: http://money.aol.co.uk/2012/06/27/waitrose-beaten-to-best-supermarket-title-by-aldi/