The story
- Proto-Indo-European*upó
- Proto-Germanic*ub
- Proto-Germanic*upp
- Proto-West Germanic*upp
- Old Englishupp
- Middle Englishup
- Middle Englishupper
- Englishupper
- Proto-Indo-European*kap-
- Proto-Indo-European*kapyéti
- Proto-Italic*kapjō
- Proto-Italic*kapsos
- Latincapsa
- Old Northern Frenchcasse
- Middle Englishcase
- Englishcase
- English todayuppercase
Etymology from Wiktionary, CC BY-SA 4.0.