This is the 8848th most frequent Dutch word.
katoen
Cotton.
Here, "katoen" is used as a noun referring to the material from which the shirt is made.
Dit shirt is gemaakt van katoen.
This shirt is made of cotton.
In this sentence, "katoen" again acts as a noun, indicating the raw material purchased for crafting a quilt.
Ik heb wat katoen gekocht om een dekbed te maken.
I bought some cotton to make a quilt.
Here, "katoen" is used as a noun describing the crop that was harvested.