The story
- Proto-Indo-European*h₁én
- Proto-Italic*en
- Proto-Italic*en-
- Latinin-
- Old Frenchen-
- Middle Englishen-
- Englishen-
- Proto-Italic*katesnā
- Latincatēna
- Old Frenchchaeine
- Middle Englishcheyne
- Englishchain
- English todayenchain
Etymology from Wiktionary, CC BY-SA 4.0.