σωτήριον defender or (by implication) defenceDerivation: neuter of the same as G4991 as (properly, concretely) noun;KJV Usage: salvation. G4991
Thayer:1) saving, bringing salvation 2) he who embodies this salvation, or through whom God is about to achieve it 3) the hope of (future) salvation
σωτήριον sōtērion so-tay'-ree-on Neuter of the same as G4991 as (properly concrete) noun; defender or (by implication) defenceKJV Usage: salvation.