Proto-Slavic *da

→ Bulgarian да (inherited)

→ Old Church Slavonic да (inherited)

→ Macedonian да (inherited)

→ Romanian da (derived)

→ Russian да (inherited)

→ Serbo-Croatian da (inherited)

→ Serbo-Croatian да (inherited)

→ Ter Sami da (derived)

→ Slovene da (derived)

→ Skolt Sami da (derived)