from Wiktionary, Creative Commons Attribution/Share-Alike License
- abbr. English-language abbreviation for the Society of Saint Pius X. Also known by the Latin title: FSSPX - Fraternitas Sacerdotalis Sancti Pii X (Priestly Society of Saint Pius X.) An international society of Roman Catholic priests founded on November 1, 1970 by His Grace Archbishop Marcel Lefebvre. The Society is lead by a Superior General and District Superiors in over 55 countries.
Sorry, no etymologies found.