prosregnumi describes a river's impact against a house in the paired house-building comparison.

The attested use describes a river coming against a house: in Luke 6:48 it cannot shake the well-founded house, while in Luke 6:49 the house without a foundation collapses after the river comes against it.

1. A river coming against a house · dominant

   The same aorist active indicative singular form occurs in the paired comparisons. In Luke 6:48 the APB renders the river's action as "struck against that house" without shaking it; in Luke 6:49 it renders the river as "struck against it," followed by the house's collapse.

   Luke 6:48Luke 6:49

In the Anselm Project Bible: Across Luke 6:48 and Luke 6:49, the APB presents the action with "struck against" for a river's contact with a house. This identifies the clause-level presentation rather than a fixed English equivalent.