Strong’s Greek
G1617 — ektenesteron
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἐκτενέστερον
ektenesteron — pronounced ek-ten-es'-ter-on
neuter of the comparative of 1618; more intently:--more earnestly. see GREEK for 1618
1 occurrence in the KJV.
Luke 22:44
And being in an agony he prayed more earnestly: and his sweat was as it were great drops of blood falling down to the ground.