the letter Psi is often used as a symbol of psychology. As any letter in itself doesn't mean anything. The meaning emerges from the letter Psi with the Greek word association do Psiqué do, which originally had the meaning of do Butterfly do.???? Later went on to use the term with the senses of does puff of Breeze does, does breath does, do mood do and finally do soul do.????????Which is also associated to the goddess do psyche does or can psyche, depicted as a teenage girl with butterfly wings????