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οὐ λήψει τὸ ὄνομα Κυρίου τοῦ Θεοῦ σου ἐπὶ ματαίω → thou shalt not take the name of the Lord thy God in vain
time just before dawn: P. and V. ὄρθρος, ὁ, P. τό περίορθρον.
darkness: Ar. and V. κνέφας, τό (also Xen.).