-om-
ma--an
For something to fall straight down from a height; for
something to have something crash down on it; for something,
like a house, to collapse.
bagsak
Minagsak da tang balay amen ong sobrang palet.
Our house collapsed due to the extremely strong wind.
Ang katep nabagsakan ta tang taned ang nioy, animan naboloat.
Our roof had a bunch of coconuts fall
on it, that's how it got a hole in it.