Lexical Definition

‎ἐφάπαξ‎ ephápax (ef-ap'-ax) once/at once ^G:ADV
from ‎ἐπί‎ and ‎ἅπαξ‎

(at) once (for all).

• upon one occasion (only)

Abbott-Smith

* ἐφ-άπαξ, adv.
1. once for all (Eupol.): Ro 6:10 He 7:27 9:12 10:10.
2. at once: I Co 15:6.†

Abbott-Smith References

Liddell-Scott-Jones

ἐφάπαξ [ᾰπ],

adverb once for all, [NT+5th c.BC+]

__II at once, [NT]

_{LSJ Scripture Refs: Rom.6.10 ☩ Heb.7.27 ☩ 1Cor.15.6}