For someone (agent maN-, muɴ-) to divide something (theme -on), as a piece of wood, meat, paper, stone into small pieces with a suitable instrument (inst i-, paN-).
gummu'; gimmu'; igmu'; pangmu'; mangmu'
Mangmu': focus is on someone who divides a part of something into pieces.
-um-: gummu'; -iɴ-: gimmu'; i-: igmu'; paN-: pangmu'; maN-: mangmu'