The story
- Proto-Indo-European*h₁én
- Proto-Germanic*in
- Proto-West Germanic*in
- Old Englishin
- Old Englishin-
- Middle Englishin-
- Englishin-
- Proto-Indo-European*(s)ker-
- Proto-Indo-European*(s)kr̥wós
- Proto-Italic*korwos
- Latincurvus
- Englishcurve
- English todayincurve
Etymology from Wiktionary, CC BY-SA 4.0.