Vine's Expository Dictionary: View Entry
TDNT Reference: 3:7,312
θνήσκω thnḗskō, thnay'-sko; a strengthened form of a simpler primary θάνω thánō than'-o (which is used for it only in certain tenses); to die (literally or figuratively):—be dead, die.
to die, to be dead
metaph. to be spiritually dead
Strong's Number G2348 matches the Greek θνῄσκω (thnēskō),
which occurs 13 times in 13 verses
in the TR Greek.