The story
- Proto-Indo-European*seh₁-
- Proto-Germanic*sīdaz
- Proto-Germanic*sīdǭ
- Old Englishsīde
- Middle Englishside
- Englishside
- Proto-Indo-European*h₃ekʷ-
- Proto-Germanic*augô
- Proto-West Germanic*augā
- Old Englishēage
- Middle Englisheye
- Englisheye
- English todayside-eye
Etymology from Wiktionary, CC BY-SA 4.0.