An update to the origins of Mauseus

I had always assumed that the name "Mauseus", as part of Carausius' names, had come from Germanic or Britannic origins but that may not be the case. In the new Numismatic Chronicle (volume 169, 2009) there is the latest in a series of papers by Richard Ashton on the ancient coins of Rhodes. This particular paper is about a specific series of bronze coins that have the name of an official on "Mousais". Could it be that the origins are much further south and derive from the Greek?