Someone (maN-) sharpens a knife, tool, or weapon (-en) on a whetstone.
hasà
Nangadib ka so pana mo, ta may ta maganinaw.
You sharpened your spear gun, because let's go (spear) fishing.
A knife, tool, or weapon (ma-) is sharpened.
Iyaw wasay ni āmang ki nakadib.
Father's axe was sharpened.