Lexical Definition

‎ὀρθρίζω‎ orthrízō (or-thrid'-zo) to rise at dawn ^G:V
from ‎ὄρθρος‎

come early in the morning.

• to use the dawn, i.e. (by implication) to repair betimes

Abbott-Smith

† ὀρθρίζω (< ὄρθρος), [in LXX chiefly for שׁכם hi., Ge 19:2, al.; also for שׁחר pi., Ps 62:1 (63)*, al., etc.;]
= cl. poët., ὀρθρεύω, to rise early: seq. πρός, c. acc. pers. (as Ps 62:1 (63)*, al.), Lk 21:38 (v. Thumb, Hellen., 123).†

Abbott-Smith References

Liddell-Scott-Jones

ὀρθρίζω-ίζω,

={ὀρθρίζωεύω}, [LXX+NT]

_{LSJ Scripture Refs: LXX.Gen.19.27 ☩ LXX.Job.7.21 ☩ Luke.21.38}