The story
- Old Frenchcon-
- Proto-Indo-European*ḱe?
- Proto-Indo-European*ḱóm
- Proto-Italic*kom
- Proto-Italic*kom-
- Latincon-
- Middle Englishcon-
- Englishcon-
- Proto-Indo-European*bʰeydʰ-
- Proto-Indo-European*bʰeydʰós
- Proto-Italic*feiðos
- Latinfoedus
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Frenchfédéra
- Englishfederal
- English todayconfederal
Etymology from Wiktionary, CC BY-SA 4.0.