datka gismu

x1 is a duck/[drake] of species/breed x2.

See also cipni.

In notes:

cipni
x1 is a bird/avian/fowl of species x2.
daltyda'u
dal1=dan1 is a domestic animal of species/breed dan2, domesticated by dal2 for use dal3.
datkypi'u
p1 is eiderdown/feather/plume of duck species/breed d2.
djacpi
cip1=cid1 is an edible bird of species cip2.