A ca sa was short for a writ of Capias ad Satisfaciendum, which gave a warrant to the officers to seize the goods.
"Bardell v. Pickwick"
Percy Fitzgerald
There were various kinds of this machinery, but what affected Mr. Pickwick was a Capias ad Satisfaciendum, to enforce attendance at the Court.
"Bardell v. Pickwick"
Percy Fitzgerald
He met Squire Capias one morning on the street.
"Winning His Way"
Charles Carleton Coffin