Where does “Ἰνδολέτης” come from?

Ἰνδολέτης (Ancient Greek) 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.

Ἰνδολέτης (Ancient Greek): Indian-killer, epithet of Dionysus

Definitions

Indian-killer, epithet of Dionysus

Ancestry of “Ἰνδολέτης”, step by step

Ἰνδολέτης traces back through two separate lines of ancestry.

via Ancient Greek Ἰνδός

Step	Language	Word	Meaning
1	Ancient Greek	Ἰνδός	an inhabitant of India or the Indian...
2	Old Persian	𐏃𐎡𐎯𐎢𐏁	India; people living beyond the Indus
3	Sanskrit	सिन्धु	a river, stream; flood, waters; ocean, sea
4	Proto-Indo-Aryan	síndʰuṣ	river, ocean; flow
5	Proto-Indo-Iranian	síndʰuš	river, stream
6	Sanskrit	सिन्धु॑	—

via Ancient Greek ὄλλυμι

Step	Language	Word	Meaning
1	Ancient Greek	ὄλλυμι	I destroy, make an end of; I lose; to perish,...
2	Proto-Indo-European	h₃elh₁-	to fall, to collapse; to destroy/be destroyed

Every word from Sanskrit सिन्धु॑ →Every word from Proto-Indo-Iranian síndʰuš →Every word from Proto-Indo-Aryan síndʰuṣ →