Norwegian Nynorsk open

← Danish åben (cognate)

← German offen (cognate)

← English open (cognate)

← West Frisian iepen (cognate)

← Proto-Germanic *upanaz (derived)

← Icelandic opinn (cognate)

← Low German apen (cognate)

← Low German open (mention)

← Dutch open (cognate)

← Old Norse opinn (derived)

← Swedish öppen (cognate)

→ English open (cognate)

→ Icelandic opinn (mention)

→ Swedish öppen (mention)