Proto-Germanic *skōgaz

→ Danish skov (inherited)

→ Faroese skógur (inherited)

→ Faroese skógvur (derived)

→ Old Swedish skogher (inherited)

→ Icelandic skógur (inherited)

→ Norwegian Bokmål skog (derived)

→ Norwegian Nynorsk skog (derived)

→ Old Norse skógr (inherited)

→ Old Dutch scagha (inherited)

→ Swedish skog (inherited)