Where does “ezebra” come from?

ezebra (Old Spanish) comes from Vulgar Latin eciferus, from Latin equiferus, from Latin equus, from Proto-Italic ekwos, from Proto-Indo-European h₁éḱwos, from Proto-Indo-European h₁oh₁ḱu- — swift.

Ancestry of “ezebra”, step by step

StepLanguageWordMeaning
1Vulgar Latineciferusfool, wild ass, donkey; wild horse
2Latinequiferuswild horse
3Latinequusa horse; a steed, charger
4Proto-Italicekwoshorse
5Proto-Indo-Europeanh₁éḱwosstallion, horse
6Proto-Indo-Europeanh₁oh₁ḱu-swift

Words derived from “ezebra”

Every word from Proto-Indo-European h₁oh₁ḱu- →Every word from Proto-Indo-European h₁éḱwos →Every word from Proto-Italic ekwos →