For someone (agent) to begin an activity (theme i-) which continues through time or space.
Ihīpuntah helhelong an dumālan ta nangāmung un mowod ti adagwi.
We will begin very early morning until early evening twilight in walking because it is far.
Ihīpuntah Dungdung an mun'ewah ta nangāmung di Bulbul.
We will begin at Dungdung in clearing (the trail) until Bulbul.
Commonly used as a chaining verb.
Ihīpunta an dumālan.
We will begin walking.