The story
- Proto-Indo-European*h₁reh₁-
- Proto-Indo-European*h₁roh₁-(ye-)-ti
- Proto-Germanic*rōaną
- Proto-Germanic*rōþrą
- Proto-West Germanic*rōþr
- Old Englishrōþor
- Middle Englishrother
- Englishrudder
- Proto-Indo-European*péysks
- Proto-Germanic*fiskaz
- Proto-West Germanic*fisk
- Old Englishfisċ
- Middle Englishfisch
- Englishfish
- English todayrudderfish
Etymology from Wiktionary, CC BY-SA 4.0.