Acheulean
adjective
Acheu·le·an ə-ˈshü-lē-ən 
variants or Acheulian
: of or relating to a Lower Paleolithic culture originating in Africa and typified by bifacial tools with round cutting edges
Word History
Etymology
borrowed from French acheuléen, from St. Acheul, near Amiens, France, location of the type station + -éen -ean
First Known Use
1877, in the meaning defined above