Epiousion is a Koine Greek adjective used in the Lord's Prayer verse "Τὸν ἄρτον ἡμῶν τὸν ἐπιούσιον δὸς ἡμῖν σήμερον". Because the word is used nowhere else, its meaning is unclear. It is traditionally
Page 20 of Novum Testamentum Polyglotton (1866), showing Matthew 6:9–13 with parallel Greek, Latin, German, and English texts containing ἐπιούσιον.
Jesus teaching the Lord's Prayer to his disciples, as imagined by James Tissot (late 19th century).
Old Church Slavonic or Old Slavonic is the first Slavic literary language and the oldest extant written Slavonic language attested in literary sources. It belongs to the Eastern South Slavic subgroup
Epiousion
…translated as "give us this day the bread that belongs to it", though they concede that this expression is little recognized by modern scholars. The Old Church Slavonic canon translates epiousion variously as well. For example, Codex Marianus translates it as насѫщьнъі (nasǫštĭnŭì, which appears to be a calque of…
A page from Codex Zographensis, 10th or 11th century.
Example of the Cyrillic alphabet: excerpt from the manuscript Vidin Miscellany, written in Middle Bulgarian, 1360
A page from the Flowery Triodion (Triod' cvetnaja), a Polish book printed in Kraków in about 1491, one of the oldest printed Byzantine-Slavonic books, National Library of Poland
A page from the Gospel of Miroslav, Serbian medieval manuscript, a 12th-century Byzantine-Slavonic book, National Library of Serbia