The story
- Proto-Indo-European*h₂en-
- Proto-Germanic*an
- Proto-West Germanic*ana
- Old Englishon
- Middle Englishan
- Middle Englisha-
- Englisha-
- Proto-Indo-European*seykʷ-
- Proto-Germanic*sīhwaną
- Proto-Germanic*saiwiz
- Proto-West Germanic*saiwi
- Old Englishsǣ
- Middle Englishsee
- Englishsea
- English todayasea
Etymology from Wiktionary, CC BY-SA 4.0.