ὀρθρίζω (ὄρθρος), [in LXX chiefly for שָׁכַם hi., Gen.19:2, al.; also for שָׁחַר pi., Psa.63:1, al., etc. ;] = cl. poët., ὀρθρεύω, to rise early: before πρός, with accusative of person(s) (as Ps, l.with, al.), Luk.21:38 (see Thumb, Hellen., 123).† (AS)
STRONG'S WORD STUDY
G3719 — ὀρθρίζω
orthrizō · to rise at dawn · Greek