The story
- Proto-Indo-European*bʰel-
- Proto-Indo-European*bʰleh₁-
- Proto-Germanic*blēaną
- Proto-West Germanic*blāan
- Old Englishblāwan
- Middle Englishblowen
- Englishblow
- Proto-Indo-European*péysks
- Proto-Germanic*fiskaz
- Proto-West Germanic*fisk
- Old Englishfisċ
- Middle Englishfisch
- Englishfish
- English todayblowfish
Etymology from Wiktionary, CC BY-SA 4.0.