Proto-Germanic *ōbijaną

→ Danish öva (derived(da/sv))

→ Danish øve (derived)

→ German üben (inherited)

→ Middle Dutch oeven (inherited)

→ Westrobothnian øv (derived)

→ Icelandic æfa (mention)

→ Norwegian Bokmål øve (derived)

→ Dutch oefenen (inherited)