Strong's G1875 · Greek

ἐπάν

epan · ep-an'

from 1909 and 302; a particle of indefinite contemporaneousness; whenever, as soon as

Scholarly Lexicons

Abbott-Smith Manual Greek Lexicon

 3 † ἐπ-άν conj. ( ἐπεί , q.v., ἄν ) later form of ἐπήν , after, when : c. subjc. Pres., Lk 11:34 ; c. subjc. aor., Mt 2:8 , Lk 11:22 .† 

G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain