1) to strike gently: as a part or a member of the body
2) to stroke, smite: with the sword, to afflict, to visit with evils, etc. as with a deadly disease
3) to smite down, cut down, to kill, slay
Part of Speech: verb
Citing in TDNT: 5:939, 804
Probably a prolongation from G3817; to knock (gently or with a weapon or fatally): - smite, strike. Compare G5180.
|a strike a blow||19.3|
|b strike down||20.73|
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 πατάσσω; click on the second column to search for that grammatical form of the root πατάσσω; click on the third column to search for that word and grammatical form; click on the total to search for the root πατάσσω.