Where does “Ιντιάνα” come from?

Ιντιάνα (Greek) comes from English Indiana, from English indian, from Middle English Indien, from Anglo-Norman indien — Indian.

Ancestry of “Ιντιάνα”, step by step

Step	Language	Word	Meaning
1	English	Indiana	—
2	English	indian	—
3	Middle English	Indien	—
4	Anglo-Norman	indien	Indian

Ιντιάνα — Etymology, Origin & Word History | Etymology Explorer