1) to be moved as to one's bowels, hence to be moved with compassion, have compassion (for the bowels were thought to be the seat of love and pity)
Part of Speech: verb
Citing in TDNT: 7:548, 1067
Middle voice from G4698; to have the bowels yearn, that is, (figuratively) feel sympathy, to pity: - have (be moved with) compassion.
|feel compassion for||25.49|
|d object of affection||25.50|
|(στενοχωρέομαι ἐν τοῖς σπλάγχνοις) restrict one’s affection for||25.54|
|(κλείω τὰ σπλάγχνα) refuse to show compassion||25.55|
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 σπλαγχνίζομαι; click on the second column to search for that grammatical form of the root σπλαγχνίζομαι; click on the third column to search for that word and grammatical form; click on the total to search for the root σπλαγχνίζομαι.