For someone (agent muɴ-, CVCV- + -um-; s agent maN-) to clear grass, low vegetation (theme) from plants, trees, a private forest, a path, an area (loc ref -an) with a bolo (inst i-, paN-).
Immuyda nan linalā'i an mun'ewah hinan āla' ti natawan.
The men went to clear the irrigation canal because it was weedy.
Umewa'ewah: focus is on someone who continually clears vegetation.