Dictionary entry

φέγγος

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

φέγγος, -ους, τό

[in LXX chiefly for נֹגַהּ;]

light, brightness, usually c. gen. of something that shines or reflects: of the moon, Mt 24:29, Mk 13:24; of a lamp, Lk 11:33 (WH, RV, φῶς).†

SYN.: αὐγή, q.v.