Where does “psikoloġiku” come from?

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

psikoloġiku (Maltese): psychological referring to psychology

Definitions

psychological referring to psychology

Ancestry of “psikoloġiku”, step by step

Step	Language	Word	Meaning
1	Italian	psicologico	psychological
2	Italian	psicologia	psychology
3	Italian	psico-	psycho-
4	Ancient Greek	Ψυχή	Psyche
5	Ancient Greek	δῆλος	visible; conspicuous; manifest
6	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 →