Strong's Greek Concordance

G3721: ὄρθριος

órthrios · “morning”

Definition

in the dawn, i.e. up at day-break

KJV translates it as: early

Word origin: from G3722 (ὄρθρος);

Extended definition

ὄρθριος, -α, -ον
(ὄρθρος), [in LXX: 1Ki.28:14, Job.29:7, 1-25; 3Ma.5:10 3Mac 5:23 * ;]
early, in the early morning: Luk.24:22, Rec. (see: ὀρθρινός).†
(AS)

Abbott-Smith Manual Greek Lexicon (1922) via STEPBible TBESG (CC BY 4.0).