What is Ob Causam Aliquam A Re Maritima Ortam?

Legal Definition
For some cause arising out of a maritime matter. 1 Pet. Adm. 92. Said to be Selden's translation of the French definition of admiralty jurisdiction, "pour le fait de la mer." Id.
-- Black's Law Dictionary
Legal Definition
By reason of some cause arising from a maritime matter.
-- Ballentine's Law Dictionary