For a natural agent (actor -um- & inst; s actor maN- & inst) to scar a surface (loc ref -an), as for wind to scar a roof by blowing off some of the thatch; for rain to scar an upland field through erosion, a pond field by causing a partial breakdown of the wall.
bakihan; mamakeh
Nun+'abakihan nan payaw ad Batad hi inat nan ongol an udan.
All the pond fields of Batad were scarred as a result of the heavy rain.
-an: bakihan