From paqach redoubled; opening (of a dungeon), i.e. Jail-delivery (figuratively, salvation for sin) -- opening of the prison.
see HEBREW paqach
H6495. peqach
-qoach מְּקַחקֿוֺחַ, read מְּקַחְקוֺחַ noun [masculine] opening (of eyes; compare Comm., Ges§ 85n, proposes wide, or complete, opening); — לַאֲסוּרִים Isaiah 61:1, figurative of freeing from dark prison; but ᵐ5 cheHpt read לְעִוְרִים, compare Di-Kit.