ultramontane

Concise Oxford English Dictionary © 2008 Oxford University Press:
ultramontane /ˌʌltrəˈmɒnteɪn/

▶adjective

• 1 advocating supreme papal authority in matters of faith and discipline. Compare with Gallican.

• 2 situated on the other side of the Alps from the point of view of the speaker.

▶noun an advocate of supreme papal authority.

– derivatives
ultramontanism noun.

– origin C16 (denoting a representative of the Roman Catholic Church north of the Alps): from med. L. ultramontanus, from L. ultra ‘beyond’ + mons, mont- ‘mountain’.