For someone (agent) to add something (theme i-) to something else (loc ref -an) as an extra portion, as meat-share sticks for workers, more words onto a story, an additional slide portion onto a stone wall which has already slid away.
panolbat
Mahāpul an holbātan tu'u nan mun'ewah hi wanti ta ag'aga ya nalpah.
We will (need to) add to those who will clear the trail so it will be quickly completed.