Proto-Slavic *pustъ

→ Bulgarian пуст (inherited)

→ Czech pustý (inherited)

→ Old Church Slavonic поустъ (inherited)

→ Old Church Slavonic поущати (inherited)

→ Lower Sorbian pusty (inherited)

→ Polish pusty (inherited)

→ Romanian pustiu (mention)

→ Romanian pustnic (mention)

→ Russian пустой (inherited)

→ Aromanian pustilii (mention)

→ Serbo-Croatian pust (inherited)

→ Serbo-Croatian пуст (inherited)

→ Slovene pust (inherited)

→ Ukrainian пустий (inherited)