Where does “psicopatico” come from?

psicopatico (Italian) comes from Italian psicopatia, from Italian psico-, from Ancient Greek Ψυχή, from Ancient Greek δῆλος, from Proto-Indo-European dyew- — to be bright; sky, heaven.

psicopatico (Italian): psychopathic; psychopath

Definitions

psychopathic; psychopath

Ancestry of “psicopatico”, step by step

Step	Language	Word	Meaning
1	Italian	psicopatia	psychopathy
2	Italian	psico-	psycho-
3	Ancient Greek	Ψυχή	Psyche
4	Ancient Greek	δῆλος	visible; conspicuous; manifest
5	Proto-Indo-European	dyew-	to be bright; sky, heaven

Every word from Proto-Indo-European dyew- →Every word from Ancient Greek δῆλος →Every word from Ancient Greek Ψυχή →