The story
- Proto-Indo-European*péh₂wr̥
- Proto-Hellenic*pāwər
- Ancient Greekπῦρ (pûr)
- Ancient Greekπῠρρός (pŭrrhós)
- Latinburrus
- Latinburricus
- Vulgar Latin*burrīccus
- Spanishborricobf.
- Spanishburro
- English todayburro
Borrowed from Spanish burro.
Etymology from Wiktionary, CC BY-SA 4.0.