For grain or grass, lodge, bend
natumba, nabuwal, nagbaluktót
nitumba
to bend or lodge.
Nitumba ya pali hên angin saka oran.
The rice was lodged by the wind and rain.
For s.o. or s.t.
matumba
to collapse or fall over.
Natumba ya ha luta.
He fell on the ground.