For people (patient ma-) to be three at a time in a particular state doing something, of one group repeating an action or two or more groups acting successively; i.e., the second group of three begins after the first group of three finishes, and so on.
Matullutulluda nan mungguwalyah nan pantaw.
They will be three at a time guarding the door, (i.e., each group of three will spell each other off).
For someone (agent; s agent maN-) to be three at a time acting successively to do something with or to someone or something (theme, loc ref or patient -an); i.e., several pairs acting three at a time, or one pair repeating an action several times.
Occurs as part of a verb chain, see sec. 7.19.
tullūan; manullu
-an: tullūan