Who invented the condo?

From Condominium Ownership, below, . . .

According to many scholars, the concept of condominium is quite old. Albert Ferrer states that 'there is at least one record of the sale of part of a building, in ancient Babylon (modern Iraq), during the First Dynasty, nearly two centuries before the birth of Christ', and that there is evidence of the use of the system among the Greeks, Egyptians, and others."