Old Norse undr

← Proto-Germanic *wundrą (inherited)

← Proto-Indo-European *wenh₁- (root)

← Proto-Indo-European *wenh₁- (derived)

→ Old English wundor (cognate)

→ Danish under (derived)

→ Faroese undur (derived)

→ Old Swedish under (inherited)

→ Icelandic undur (derived)

→ Norwegian Bokmål under (derived)

→ Norwegian Nynorsk under (derived)

→ Old Norse undra (mention)

→ Swedish under (inherited)