For someone (actor maN-) to be able to do something at the rate of only four, as to be able to earn only four pesos in a given time period, to weave only four baskets per week.
Occurs as part of a verb chain, see sec. 7.19.
Nangop'oppāta' hi engwaha' hinan uway hi ohay algaw.
I was able to clean at the rate of only four strips of rattan in one day.