Where does “نوستالژی” come from?

نوستالژی (Persian) comes from French nostalgie, from New Latin nostalgia, from Ancient Greek νόστος, from Ancient Greek -τος, from Proto-Indo-European -tós — Creates verbal adjectives from verb stems.

نوستالژی (Persian): nostalgia

Definitions

nostalgia

Ancestry of “نوستالژی”, step by step

Step	Language	Word	Meaning
1	French	nostalgie	nostalgia
2	New Latin	nostalgia	—
3	Ancient Greek	νόστος	the act of reaching a place: journey, arrival;...
4	Ancient Greek	-τος	Creates perfective passive verbal adjectives;...
5	Proto-Indo-European	-tós	Creates verbal adjectives from verb stems

Every word from Proto-Indo-European -tós →Every word from Ancient Greek -τος →Every word from Ancient Greek νόστος →