1) break in pieces, to crush
2a) to break one's heart
2b) to deprive of strength and courage, dispirit, incapacitate for enduring trials
Part of Speech: verb
From G4862 and θρύπτω thruptô (to crumble); to crush together, that is, (figuratively) to dispirit: - break.
|(συνθρύπτω τὴν καρδίαν) cause great sorrow||25.282|
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 συνθρύπτω; click on the second column to search for that grammatical form of the root συνθρύπτω; click on the third column to search for that word and grammatical form; click on the total to search for the root συνθρύπτω.