Dictionary entry

ἅπαξ

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

ἅπαξ,

adv.,

[in LXX for אֶחָד, פַּעַם;]

(a) once: II Co 11:25, He 9:26, 27; ἔτι ἅ., He 12:26, 27; ἅ. τ. ἐνιαυτοῦ, He 9:7; καί ἅ. κ. δίς, twice: Phl 4:16, I Th 2:18;

(b) once for all: He 6:4 9:28 10:2, I Pe 3:18, Ju 3, 5 (MM, VGT, s.v.).†