Proto-Slavic *vixъrъ

→ Belarusian віхура (inherited)

→ Czech vichr (inherited)

→ Lower Sorbian wichor (inherited)

→ Lower Sorbian wichar (inherited)

→ Upper Sorbian wichor (inherited)

→ Macedonian виор (inherited)

→ Polish wicher (inherited)

→ Polish wichr (inherited)

→ Polabian vaixår (inherited)

→ Romanian vifor (mention)

→ Russian вихрь (inherited)

→ Serbo-Croatian vihor (inherited)

→ Serbo-Croatian вихор (inherited)

→ Serbo-Croatian Bihor (derived(sh/ro))

→ Slovak víchor (inherited)

→ Slovene vihar (inherited)