1) after, when
Part of Speech: conjunction
From G1909 and G302; a particle of indefinite contemporaneousnes; whenever, as soon as: - when.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root ἐπάν; click on the second column to search for that grammatical form of the root ἐπάν; click on the third column to search for that word and grammatical form; click on the total to search for the root ἐπάν.