guzme -guz-zme- gismu

x1 is a melon/squash [fruit/plant] of species/strain x2.

See also grute.

In notes:

grute
x1 is a fruit [body-part] of species x2.
cakyzme
x1 is a calabash (hard-shelled gourd) of species or variety x2
clazme
g1 is a cucumber of cultivar g2.
tityzme
g1 is a melon of cultivar g2.
guzmrkukurbita
x1 is a squash/pumpkin of species/strain x2.
kurgete
x1 is a courgette, zucchini of species x2
tcilakaiotli
x1 is a squash, pumpkin, gourd, any plant of genus Cucurbita of species x2
tsukini
x1 is a zucchini squash (L. cucurbita pepo).