For someone (agent; s agent maN-) to do something (theme) on one side of something (loc ref -an) to meet at the center, as to make a hole on one side of a dike to meet another in the center, chop on one side of a tree to meet another chop at the center.
Occurs as part of a verb chain, see sec. 7.19.
Inallāwan Buy'a an inyamma nan tangngūbub hi payaw.
Buy'a made a culvert in the pond field to meet (another half) at the center.