Old Norse elfr

← Proto-Germanic *albī (inherited)

→ Danish elv (derived)

→ German Elbe (cognate)

→ Faroese elv (derived)

→ Faroese elvur (derived)

→ Icelandic elfur (inherited)

→ Norwegian Bokmål elv (derived)

→ Norwegian Nynorsk elv (derived)

→ Swedish älv (derived)