For someone (agent) to interject an activity (theme i-) into another activity (loc ref -an); i.e., perform an interjected activity at a convenient time while doing something else.
Ibattan'un manāmuh nan hanggapmun napa''i ti do'ol di tāmu' at adīa' umiyahup.
I will interject working on your broken bolo (into other work) because I have much work and so don't be in a hurry.
Ibattabattan: focus is on an activity broken into segments and interspersed into another activity. Battabattanom: focus is on an activity interspersed with several segments of another activity.
Binattabattanan Dillag nan tāmuna ti gun immuy numbā'i.
Dillag interspersed his work because he was always going to perform traditional religious rituals.
Binattabattanan han nundogoh an mangan.
The sick person interspersed (his) eating (with times of rest).