Where does “Σπεύσιππος” come from?

Σπεύσιππος (Ancient Greek) comes from Ancient Greek ἵππος, from Proto-Hellenic íkkʷos, from Proto-Indo-European h₁éḱwos, from Proto-Indo-European h₁oh₁ḱu- — swift.

Ancestry of “Σπεύσιππος”, step by step

Σπεύσιππος traces back through two separate lines of ancestry.

via Ancient Greek ἵππος

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

via Ancient Greek σπεύδω

Step	Language	Word	Meaning
1	Ancient Greek	σπεύδω	I set going, urge on, hasten; I procure quickly,...
2	Proto-Indo-European	spewd-	to press, to push

Words derived from “Σπεύσιππος”

Speusippus

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