Mousterian
adjective
Mous·te·ri·an mü-ˈstir-ē-ən 
: of or relating to a Middle Paleolithic culture that is characterized by well-made flake tools often considered the work of Neanderthal man
Word History
Etymology
French moustérien, from Le Moustier, cave in Dordogne, France
First Known Use
1876, in the meaning defined above