Proper noun
Octoechos
(Christianity) A liturgical book containing a repertoire of hymns ordered in eight parts according to the eight echoi (tones or modes), used in many rites of Eastern Christianity.
It is generally assumed that Carolingian theorists imported monastic Octoechos propagated in the patriarchates of Jerusalem ( Mar Saba ) and Constantinople ( Stoudios Monastery ) which meant the eight echoi they used for the composition of hymns (e. Source: Internet
The Octoechos contains hymns on these themes, arranged in an eight-week cycle, that are chanted on Saturdays throughout the year. Source: Internet
The Octoechos contains hymns on these themes, arranged in an eight-week cycle, that are chanted on Thursdays throughout the year. Source: Internet
The Octoechos contains hymns on this theme, arranged in an eight-week cycle, that are chanted on Mondays throughout the year. Source: Internet
The Octoechos contains hymns on this theme, arranged in an eight-week cycle, that are chanted on Tuesdays throughout the year. Source: Internet
The moveable cycle begins on the Zacchaeus Sunday (the first Sunday in preparation for Great Lent or the 33rd Sunday after Pentecost as it is known), though the cycle of the Octoechos continues until Palm Sunday. Source: Internet