For someone (agent muɴ-, -um-; s agent maN-) to prepare the soil and stones of a stone wall or a section of a stone wall that has fallen down (patient -on) for repair, with appropriate tools, as a shovel, gāud; crowbar, baliyang, (inst i-, paN-), by separating the soil from the rocks and digging down to the foundation where repair begins.
Immuy hi Benwag an mun'al'al hinan goday hi payawna.
Benwag went to prepare the slide in his field for repair.