Mesorion
From BiblePortal Wikipedia
Mesorion [1]
( Μεσώριον ) is the technical term for an intermediate office in the Greek Church after Proton, Triton, Ekton, Ennaton ; but omitted after Luchnikon and Hesperinon, Apodeipnon, Mesonuktion (matins), and Orthron (lauds). (See Canonical Hours).
