From a (as a negative particle) and a derivative of phtheiro; undecaying (in essence or continuance) -- not (in-, un-)corruptible, immortal.
see GREEK a
see GREEK phtheiro
ἄφθαρτοι (aphthartoi) − 1 Occurrence
ἄφθαρτον (aphtharton) − 3 Occurrences
ἀφθάρτου (aphthartou) − 2 Occurrences
ἀφθάρτῳ (aphthartō) − 2 Occurrences