orthros

noun, often capitalized or·thros \ˈȯrˌthrȯs\
variants: or

orthron

\-thrȯn\

Definition of orthros

plural

orthroses

or

orthrons

  1. :  the morning office in the Eastern Orthodox Church somewhat corresponding to the Latin lauds

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Origin and Etymology of orthros

orthros from Late Greek, from Greek, dawn, sunrise; orthron from Middle Greek or New Greek, alteration of Late Greek orthros; akin to Greek orthos straight, upright — more at orth-


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