Paleolithic (adjective)

1. Relating to the earliest period of the Stone Age characterized by the development of crude stone tools.
2. Relating to the Old Stone Age and its cultures and technologies.

Origin:

From french paléolithique, from greek παλαιός (paleos, "old") + λίθος (lithos, "stone") + -ique.

Examples:

1. The paleolithic artifacts were dated back to over two million years ago.
2. The paleolithic era was a time of great cultural and technological advancement.
3. The paleolithic cave paintings were considered some of the earliest forms of art.
4. The paleolithic hunters relied on stone weapons for their survival.
5. The paleolithic diet was primarily based on hunting and gathering.