The story
- Proto-Indo-European*úp
- Proto-Indo-European*upér
- Proto-Germanic*uber
- Old Englishofer-
- Middle Englishover-
- Englishover-
- Proto-Indo-European*pótis
- Proto-Italic*potis
- Proto-Indo-European*h₁es-
- Proto-Indo-European*h₁ésti
- Proto-Indo-European*bʰuH-
- Proto-Indo-European*bʰúHt
- Proto-Italic*som
- Proto-Italic*possom
- Latinposse
- Vulgar Latinpotēre
- Old Frenchpooir
- Anglo-Normanpoer
- Middle Englishpower
- Englishpower
- English todayoverpower
Etymology from Wiktionary, CC BY-SA 4.0.