It means originally from Molosia. Concerning Molosia. Molosia or Molossia was a region of the Epirus in Ancient Greece. Person belonging to an ancient Greek village of the Dodona area. It is also the name of a breed of dogs originating in that region.
Moloso : 1 : Apply to a certain caste of dogs from Molosia . -2 : Foot of classical poetry, composed of three long syllables. -3 : Gender of chiropter mammals, type of the family of mollosides .