cuneiform
/kjuːˈnɪfɔːrm, kyʊˈnɪfɔːrm/Definitions
1. noun
an ancient writing system used by the Sumerians, Akkadians, Babylonians, and Assyrians, characterized by wedge-shaped characters inscribed on clay tablets.
“The archaeologist discovered an ancient tablet with cuneiform inscriptions that dated back to the 3rd millennium BC.”
2. adjective
relating to or characteristic of cuneiform writing or the civilizations that used it.
“The cuneiform script on the ancient artifact is extremely well-preserved.”