caudillismo
noun
cau·di·llis·mo ˌkau̇-t͟hē-ˈyēz-(ˌ)mō 
-t͟hēl-ˈyēz-
: the doctrine or practice of a caudillo
Word History
Etymology
borrowed from Spanish, from caudillo "leader, caudillo" + -ismo -ism
First Known Use
1927, in the meaning defined above