I would say that it is a product of the Animus of women--if you carefully observe misogynist practices in different cultures, you will see a definite pattern of women enforcing the nomos of patriarchy and misogynist practices--usually by women with undeveloped animus, who believe to possess "absolute truth," and enforce it as such.
Jung for Dummies: Animus Planet
Anima and animus - Wikipedia
This is seriously fascinating!