The story
- Proto-Indo-European*úp
- Proto-Indo-European*upér
- Proto-Germanic*uber
- Old Englishofer-
- Middle Englishover-
- Englishover-
- Proto-Indo-European*h₂erkʷ-
- Proto-Indo-European*h₂erkʷos
- Proto-Italic*arkuos
- Latinarcus
- Old Frencharc
- Old Frencharche
- Middle Englisharch
- Englisharch
- English todayoverarch
Etymology from Wiktionary, CC BY-SA 4.0.