Proto-Slavic *ono

→ Czech ono (inherited)

→ Kashubian òno (inherited)

→ Old Church Slavonic оно (inherited)

→ Lower Sorbian wóno (inherited)

→ Upper Sorbian wono (inherited)

→ Polish ono (inherited)

→ Serbo-Croatian ono (inherited)

→ Serbo-Croatian оно (inherited)

→ Slovak ono (inherited)

→ Slovene ono (inherited)

→ Silesian uůno (inherited)

→ Old Czech ono (inherited)