Where does “Melanippe” come from?

Melanippe (English) comes from Latin Melanippē, from Ancient Greek Μελανίππη, from Ancient Greek ἵππος, from Proto-Hellenic íkkʷos, from Proto-Indo-European h₁éḱwos, from Proto-Indo-European h₁oh₁ḱu- — swift.

Ancestry of “Melanippe”, step by step

Step	Language	Word	Meaning
1	Latin	Melanippē	—
2	Ancient Greek	Μελανίππη	—
3	Ancient Greek	ἵππος	a horse, a mare; cavalry, horsemen
4	Proto-Hellenic	íkkʷos	horse
5	Proto-Indo-European	h₁éḱwos	stallion, horse
6	Proto-Indo-European	h₁oh₁ḱu-	swift

Every word from Proto-Indo-European h₁oh₁ḱu- →Every word from Proto-Indo-European h₁éḱwos →Every word from Proto-Hellenic íkkʷos →