A liturgical book containing the daily offices of the Eastern Orthodox and Catholic churches.
The Orthodox horologion is roughly equivalent to the Catholic breviary.
From Byzantine Greek ὡρολόγιον (hōrológion, “book of hours”), from Ancient Greek ὥρα (hṓra, “time period, hour”) + λόγιον (lógion, “record; measuring device”), from λόγος (lógos) + -ιον (-ion). Double...
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