For people (actor & theme ma-) to pass by in line.
mamūpuh
Napūpuh din nabūlog ya unna' mi'nud.
Those who walked in line passedby and then I followed.
For someone (agent; s agent maN-) to allow one or several successive group processions (theme -on) to pass by a given spot or general area in line, as to allow a line of people to pass by before proceeding.