grasu -ras- gismu

x1 is a quantity of/is made of/contains grease/fat/oil from source x2.

See also ctile, matne, plana.

In notes:

ctile
x1 is a quantity of petroleum/oil from source x2.
matne
x1 is a quantity of/contains butter/oleo/margarine/shortening from source x2.
plana
x1 is plump/fat/obese [excessively thick/bulbous/swollen] by standard x2.
raspalma
x1 is an oil palm tree of species x2
rastergu'i
x1 is an oil lamp using animal or vegetable products, illuminating x2 with light x1.
rastsi
t1 is/are oilseed of organism t2 for offspring t3.
palma
x1 is a palm tree (Palmae/Arecaceae) of species x2