Strong's Greek #4577
σειραῖς

σειραῖς seirais — 1 Occurrence

2 Peter 2:4 - N-DMP
GRK: ἐφείσατο ἀλλὰ σειραῖς ζόφου ταρταρώσας
KJV: and delivered [them] into chains of darkness,
INT: spared but to chains of darkness having cast [them] to the deepest abyss