ultramontane
adjective
ul·tra·mon·tane ˌəl-trə-ˈmän-ˌtān 
-ˌmän-ˈtān
-ˌmän-ˈtān 1
: of or relating to countries or peoples beyond the mountains (such as the Alps)
2
: favoring greater or absolute supremacy of papal over national or diocesan authority in the Roman Catholic Church
ultramontane noun often capitalized
ultramontanism
ˌəl-trə-ˈmän-tə-ˌni-zəm
noun 
Word History
Etymology
Medieval Latin ultramontanus, from Latin ultra- + mont-, mons mountain — more at mount
First Known Use
circa 1618, in the meaning defined at sense 1