Old Norse opna

← Proto-Germanic *upanōną (inherited)

← Norwegian Nynorsk opne (link)

→ Old English openian (cognate)

→ Danish åbne (inherited)

→ Faroese opna (derived)

→ Faroese opna (derived)

→ Scanian obna (inherited)

→ Icelandic opna (derived)

→ Icelandic opna (derived)

→ Norwegian Bokmål åpne (derived)

→ Norwegian Nynorsk opna (derived)

→ Norwegian Nynorsk opne (derived)

→ Swedish öppna (inherited)