Proto-Slavic *kъde

→ Belarusian дзе (inherited)

→ Bulgarian къде (inherited)

→ Czech kde (inherited)

→ Kashubian gdze (inherited)

→ Old Church Slavonic къде (inherited)

→ Upper Sorbian hdźe (inherited)

→ Lithuanian -ada (mention)

→ Macedonian дека (derived)

→ Macedonian каде (inherited)

→ Polish gdzie (inherited)

→ Polabian ťėd (inherited)

→ Russian где (derived)

→ Serbo-Croatian de (mention)

→ Serbo-Croatian где (mention)

→ Serbo-Croatian gde (mention)

→ Serbo-Croatian gdje (mention)

→ Serbo-Croatian kadi (mention)

→ Serbo-Croatian гдје (mention)

→ Slovak kde (inherited)

→ Slovene kje (derived)

→ Slovene kjer (derived)

→ Albanian ku (cognate)

→ Ukrainian де (inherited)