Old Norse stormr

← Old English storm (cognate)

← Proto-Germanic *sturmaz (inherited)

← Old High German sturm (cognate)

← Proto-Indo-European *(s)twer- (cognate)

← Proto-Indo-European *(s)tur- (mention)

← Old Saxon storm (cognate)

→ Old English storm (cognate)

→ Danish storm (derived)

→ Faroese stormur (derived)

→ Old Swedish stormber (inherited)

→ Icelandic stormur (derived)

→ Norwegian Bokmål storm (derived)

→ Norwegian Nynorsk storm (derived)

→ Swedish storm (inherited)