Who are the parents of Cetus?

Could you please elaborate on the origins of the term "Cetus"? Are there any specific individuals or entities that are considered the "parents" of Cetus, or is this a reference to a more abstract concept? If there are indeed parents, could you provide some background information on their identities and how they came to be associated with Cetus? Additionally, is there any significance to the term "parents" in this context, or is it simply a metaphorical way of describing the origins of Cetus?