Proto-Germanic *upanōną

→ English open (inherited)

→ Afrikaans open (inherited)

→ Old English openian (inherited)

→ Danish åbne (inherited)

→ German öffnen (inherited)

→ Middle Dutch openen (inherited)

→ Middle English openen (inherited)

→ Faroese opna (derived)

→ Scanian obna (inherited)

→ Icelandic opna (derived)

→ Dutch openen (inherited)

→ Old Norse opna (inherited)

→ Old Dutch opanon (inherited)

→ Scots apen (inherited)

→ Yiddish עפֿענען (inherited)