thumb|300px|Russian icon of [[Our Lady of Vladimir.]] A theotokion (; pl. ) is a hymn to Mary the Theotokos (), which is a troparion or sticheron read or chanted during the canonical hours and Divine Liturgy of the Eastern Orthodox and Eastern Catholic churches, as well as in the praises of the Oriental Orthodox churches.
thumb|300px|Russian icon of [[Our Lady of Vladimir.]] A theotokion (; pl. ) is a hymn to Mary the Theotokos (), which is a troparion or sticheron read or chanted during the canonical hours and Divine Liturgy of the Eastern Orthodox and Eastern Catholic churches, as well as in the praises of the Oriental Orthodox churches.
After the condemnation of Nestorianism at the First Council of Ephesus in 431, the use of theotokia during the course of the Divine Services gradually increased. The inclusion of Theotokia in every service is sometimes accredited to Peter the Fuller, Patriarch of Antioch (471–488), a non-Chalcedonian and ardent opponent of Nestorianism.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).