Complex sentence: The term "ketogenic" is derived from the word "ketone", which in turn is derived from "Aketon", an old German word for acetone, and acetone is one of the forms of ketone bodies produced by ketosis.
Split into simpler sentences: The term "ketogenic" is derived from the word "ketone", which in turn is derived from "Aketon", an old German word for acetone. Acetone is one of the forms of ketone bodies produced by ketosis.