Where does “印度尼西亞” come from?

印度尼西亞 (Chinese) comes from English Indonesia, from Ancient Greek νῆσος — island.

印度尼西亞 (Chinese): Indonesia

Definitions

Step	Language	Word	Meaning
1	English	Indonesia	—
2	Ancient Greek	νῆσος	island

印度尼西亞 — Etymology, Origin & Word History | Etymology Explorer