The word psychedelic is a word invented in the 20th century by joining the Greek words for `` mind , '' Ï Ï Ï Î ( psyche ) , and `` manifest , '' Î Î Î '' Î Ï ( delos ) . Huxley coined the term `` phanerothyme , '' from the Greek terms for `` manifest '' ( Ï Î Î 1\/2 Î Ï Ï Ï ) and `` spirit '' ( Î Ï