ma-
For a building to be falling apart, dilapidated with its walls falling
down.
Ang bodiga nira galaglag da tenged naboay da.
Their shed is already falling
apart because it is old.
mag-
-en
To demolish, tear down a building; to dismantle something.
Laglagen ono nira tang balay nira, oman
magpa-deng si ta ba-lo.
They say they will demolish their house and then build a new one.