Feminine noun · From κατανύσσομαι (G2660)
From G2660; a prickling (sensation, as of the limbs asleep), i.e. (by implication, (perhaps by some confusion with G3506 or even with G3571)) stupor (lethargy):—slumber.
Outline
Quoting Isaiah 6:10
Make the heart of this people fat, and make their ears heavy, and shut their eyes; lest they see with their eyes, and hear with their ears, and understand with their heart, and convert, and be healed.
Strongs concordance