Old Prussian wetro

← Old Church Slavonic вѣтръ (cognate)

← Proto-Balto-Slavic *wētras (inherited)

← Proto-Balto-Slavic *wētrā (mention)

← Proto-Indo-European *h₂weh₁- (inherited)

← Lithuanian vėtra (cognate)

← Latvian vētra (cognate)

← Proto-Slavic *větrъ (cognate)

→ Latvian vētra (cognate)

→ Slovak vietor (cognate)