For someone (agent muɴ-, -um-, umi- & theme; s agent maN- & theme) to wait for someone or something (loc ref -on) to pass by, as to lie in wait for a wild pig, an enemy; to wait for someone to pass by to give him a message.
bumta'; ebta'; benta'; mabta'
Bota'om di alīan han lāman ya ginayangmu.
You wait for the wild pig to pass by and then spear it.
-um-: bumta'; ma-: mabta'