Dictionary entry

ὀρθρινός

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

† ὀρθρινός, -ή, -όν

(< ὄρθρος), [in LXX: Ho 6: (4) 13:3 (שׁכם hi.), Hg 2:15 (14), Wi 11:22*;] late form of ὄρθριος (q.v.),

early: Lk 24:22.†