Old Norse nýra

← Proto-Germanic *neurô (inherited)

← Proto-Indo-European *negʷʰrós (inherited)

→ Danish nyre (inherited)

→ Middle English nere (cognate)

→ Faroese nýra (inherited)

→ Old Swedish niure (inherited)

→ Icelandic nýra (inherited)

→ Norwegian Bokmål nyre (derived)

→ Norwegian Nynorsk nyre (inherited)

→ Swedish njure (inherited)