On gloss:

zadgau in sense "cause to become dirty"
x1 gets x2 dirty with x3; x1 dirties x2 with x3

In definition:

dertu
x1 is a quantity of/contains/is made of dirt/soil/earth/ground from source x2 of composition x3.
lumci
x1 (agent) washes/cleanses x2 of soil/contaminant x3 in/with cleaning material(s) x4.
brulu'i
l1 (agent) sweeps/brushes l2, removing soil/contaminant l3 with brush l4=b1.
cavysezlu'i
l1=s1 (agent) showers itself of soil/contaminant l3 with cleaning material(s) l4.
derba'o
b1 initially grows b2 beyond the soil; b1 sprouts b2 from the ground.
derske
s1=d1 is soil science [science about earth/soil] based on methodology s3.
lumpu'o
p1=l1 is washing powder for washing l2 of soil/contaminant l3
paltylu'i
l1 (agent) washes dishes l2 of soil/contaminant l3 with cleaning material(s) l4
terderske
s1=t1 is pedalogy [science about soil composition] based on methodology s3.
pandertavi
x1 is petrichor (damp smell produced when rain falls on dry soil)

In notes:

bakrypamspa
x1 is a gyp/baby's breath (genus Gypsophilia) of species/strain/cultivar x2.
derpesxu
d1=p1 is a quantity of mud of composition d3=p2, made from dirt from source d2