Old Church Slavonic о

← Proto-Indo-European *h₃ebʰi (derived)

← Proto-Slavic *o(b) (inherited)

→ Old Church Slavonic отрьти (prefix)

→ Old Church Slavonic опрѣти (prefix)

→ Old Church Slavonic одѣꙗти (prefix)

→ Old Church Slavonic оградити (prefix)

→ Old Church Slavonic люто (suffix)

→ Old Church Slavonic освѧтити (prefix)

→ Old Church Slavonic острищи (prefix)

→ Old Church Slavonic облазнити (prefix)

→ Old Church Slavonic окрьстъ (prefix)