Proto-Slavic *takъ

→ Belarusian такі (inherited)

→ Kashubian taczi (inherited)

→ Lithuanian toks (cognate)

→ Polish taki (inherited)

→ Polabian tok (inherited)

→ Russian такой (inherited)

→ Russian так (derived)

→ Russian дык (derived)

→ Slovak taký (inherited)

→ Ukrainian такий (inherited)

→ Yiddish טאַקע (derived)