Where does “hippogrief” come from?

hippogrief (Dutch) comes from Italian ippogrifo, from Italian ippo-, from Ancient Greek ἵππος, from Proto-Hellenic íkkʷos, from Proto-Indo-European h₁éḱwos, from Proto-Indo-European h₁oh₁ḱu- — swift.

hippogrief (Dutch): hippogriff, hippogryph

Definitions

hippogriff, hippogryph

Ancestry of “hippogrief”, step by step

Step	Language	Word	Meaning
1	Italian	ippogrifo	hippogriff, hippogryph
2	Italian	ippo-	hippo-
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 →