1) to prick, pierce
2) metaphorically to pain the mind sharply, agitate it vehemently
2a) especially of the emotion of sorrow
Part of Speech: verb
Citing in TDNT: 3:626, 419
From G2596 and G3572; to pierce thoroughly, that is, (figuratively) to agitate violently ("sting to the quick"): - prick.
|(κατανύσσομαι τὴν καρδίαν) be greatly troubled||25.281|
These two sites give similar information, with the definition from several dictionaries and statistics on the use of the word.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root κατανύσσομαι; click on the second column to search for that grammatical form of the root κατανύσσομαι; click on the third column to search for that word and grammatical form; click on the total to search for the root κατανύσσομαι.