On gloss:

kakpa
x1 (agent) digs x2 [material] up/out of x3 [source/hole] with limbs/tool(s) x4.

On affix form:

dirgo
x1 is a drop [small, cohesive shape] of material [liquid/vapor] x2 in surrounding material x3.

In definition:

canpa
x1 is a shovel/spade [bladed digging implement] for digging x2.
carcna
ca1=cn1 is a drill [rotating, bladed digging tool] for digging cn2
kakpyca'a
c1=k4 is an excavator/power shovel for digging in k3, operated by k1=c3.
lixycna
c1 is a hoe for digging c2
lupcarcna
x1 is an auger for digging x2
selcna
x2=c1 is a shovel/spade/bladed digging implement for digging x1=c2.
somcna
c1 is a trowel for digging c2.
velkakpa
x1 is a digging limb/tool for digging material x2 up/out of x3 (source/hole) with agent x4.
velkakpymru
m1=k4 is a pickaxe for digging up/hitting m2 [target] consisting of head m3 propelled by m4.
vozykakpa
x1=k4 is a digging tool that x2=k1 uses to dig material x3=k2 out from source x4=k3.
zilkeicna
c1=k2 is a toy shovel for digging c2.