Indonesië (Dutch) comes from Ancient Greek Ἰνδός, from Old Persian 𐏃𐎡𐎯𐎢𐏁, from Sanskrit सिन्धु, from Proto-Indo-Aryan síndʰuṣ, from Proto-Indo-Iranian síndʰuš, from Sanskrit सिन्धु॑.
Indonesië (Dutch): Indonesia