'Hysterical comes from
the Greek word "hystera" meaning "womb" due to the belief was that there were certain disturbances in women related to the womb.'

Or "wrong time of the month", basically.

www.medfriendly.com/hystericalparalysis.html
encyclopedia.thefreedictionary.com/Hysteria
( Moon Girl Technologies agent of Yahweh, Mon 28 Jun 2004, 21:27, archived)