Polish tysiąc

← Proto-Balto-Slavic *tuHsontis (mention)

← Proto-Indo-European *tuHsont- (mention)

← Proto-Indo-European *tuHsenti- (mention)

← Proto-Slavic *tysǫti (inherited)

← Proto-Slavic *tysęti (mention)

→ Lithuanian tūkstantis (cognate)

→ Latvian tūkstotis (cognate)

→ Polish tysiąclecie (affix)

→ Polish tysiącletni (affix)

→ Polish tysiąckroć (suffix)

→ Russian тысяча (cognate)