For people, things, a mass object (actor -um- & theme) to surround people or animals (loc ref -on) preventing escape, as for men to surround a wild pig in a fire trap, gināat, soldiers to surround enemies, a fire to surround one entrapped in a burning house.
hum'om; ho'mon; hen'om; mah'om; man'om
-um-: hum'om; -on: ho'mon; -iɴ-: hen'om; ma-: mah'om; maN-: man'om