http://pgcrs2bmzlbcprwscltzsef47jibxx7k7gfspkfavt5uk7qwrhereoyd.onion
Origins:
Its use stems from the Greek word "psyche," meaning mind or soul, which is central to the field of psychology.
Association with "trident":
The symbol's shape, when viewed from a certain angle, can be interpreted as a three-pronged fork or trident.