a.shu.yah denotes structural foundations, shown falling amid a city's overthrow.

The attested use denotes a city's structural foundations in the context of its collapse: Jeremiah 50:15 places the plural construct form in a clause where the foundations fall and the walls are overthrown.

1. A city's fallen structural foundations · dominant

   In Jeremiah 50:15, the noun appears in a feminine plural construct form within the announcement that her foundations have fallen and her walls are overthrown. The APB renders the clause “her foundations have fallen,” confirming the verse's picture of a city brought down.

   Jeremiah 50:15

In the Anselm Project Bible: In Jeremiah 50:15, the APB presents the clause as “her foundations have fallen.” It confirms the scene of collapse rather than isolating each form's contribution.