The story
- Proto-Indo-European*seykʷ-
- Proto-Germanic*sīhwaną
- Proto-Germanic*saiwiz
- Proto-West Germanic*saiwi
- Old Englishsǣ
- Middle Englishsee
- Englishsea
- Old Englishbridd
- Middle Englishbrid
- Englishbird
- English todayseabird
Etymology from Wiktionary, CC BY-SA 4.0.