from Wiktionary, Creative Commons Attribution/Share-Alike License.
Sorry, no etymologies found.
The majority of their own societies were chalcolithic.
The Indus or the Harappan culture is older than the chalcolithic cultures.
'prehistoric' site at Tell el-Ma'abed or Tell el-'Obeid near Ur. It seems that these antiquities date from the very end of the neolithic, or rather to the succeeding 'chalcolithic', age; whether they are really prehistoric, as regards Babylonian history, must until more evidence from stratified deposits is found remain undecided.