The story
- Proto-Germanic*pakkô
- Proto-West Germanic*pakkō
- Old English*pæcca?
- Proto-West Germanic*pakkō
- Old Dutch*pakko
- Middle Dutchpakbor.?
- Middle Englishpak
- Englishpack
- Proto-Italic*musklos?
- Latinmūlus
- Latinmūla
- Anglo-Normanmule
- Latinmūlus
- Proto-West Germanic*mūl
- Old Englishmūl
- Middle Englishmule
- Englishmule
- English todaypackmule
Etymology from Wiktionary, CC BY-SA 4.0.