“These are the names of the Children of Israel. with Jacob each man and his household, coming (descending) into Egypt”
A New King
The new King who “did not know Joseph” is the Yeter Hara - the negative inclination, called an old foolish king. This king has no knowledge of G-d (called Joseph), “and he told his nation”- the powers of negativity. “The nation of Israel is becoming great and mightier than us”, the Yeter tov- positive inclination is becoming mightier than us.
Pharaoh had to do something- quick!
The Israelites are summoned to build cities of storage for Pharaoh. Pharaoh has the letters of העורף- the nape. Unlike the face, the nape is desensitized and the inner (holier) motivation is unseen. The pyramids -“let us build cities of storage, Pitom and Rameses”- let us subjugate the body within the powers of negativity.
Pitom- “the mouth of the abyss” has the letters פה...