Old Church Slavonic Cyrillic
Alphabetic writing system
>
The Early Cyrillic alphabet, also called classical Cyrillic or paleo-Cyrillic, is an alphabetic writing system that was developed in Medieval Bulgaria in the Preslav Literary School during the late 9th century. Wikipedia
Child systems: Cyrillic script
Languages: Old Church Slavonic, Church Slavonic, old versions of many Slavic languages
Sister systems: Latin alphabet; Coptic alphabet; Armenian alphabet